Home / 8,324.28-11,487.59-4,547.38

Finding the Fourth Proportional to 8,324.28, 11,487.59 and 4,547.38

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Solution

The fourth proportional to 8,324.28, 11,487.59 and 4,547.38 is: 6,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.28 : 11,487.59 = 4,547.38 : x
  2. Step 2: Convert to fraction form
    8,324.28/11,487.59 = 4,547.38/x
  3. Step 3: Cross multiply
    8,324.28x = 11,487.59 × 4,547.38
  4. Step 4: Simplify right side
    8,324.28x = 52,238,437.01
  5. Step 5: Solve for x
    x = 52,238,437.01/8,324.28
  6. Step 6: Final answer
    x = 6,275.43

Related Problems

Find fourth proportional to 4,162.14, 5,743.80 and 2,273.69
Half scale
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Double scale
Find fourth proportional to 8,325.28, 11,488.97 and 4,548.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.