Home / 8,324.34-11,487.69-4,547.63

Finding the Fourth Proportional to 8,324.34, 11,487.69 and 4,547.63

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Solution

The fourth proportional to 8,324.34, 11,487.69 and 4,547.63 is: 6,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.34 : 11,487.69 = 4,547.63 : x
  2. Step 2: Convert to fraction form
    8,324.34/11,487.69 = 4,547.63/x
  3. Step 3: Cross multiply
    8,324.34x = 11,487.69 × 4,547.63
  4. Step 4: Simplify right side
    8,324.34x = 52,241,706.24
  5. Step 5: Solve for x
    x = 52,241,706.24/8,324.34
  6. Step 6: Final answer
    x = 6,275.78

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Half scale
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Double scale
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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.