Home / 5,743.28-8,618.55-2,456.39

Finding the Fourth Proportional to 5,743.28, 8,618.55 and 2,456.39

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Solution

The fourth proportional to 5,743.28, 8,618.55 and 2,456.39 is: 3,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.28 : 8,618.55 = 2,456.39 : x
  2. Step 2: Convert to fraction form
    5,743.28/8,618.55 = 2,456.39/x
  3. Step 3: Cross multiply
    5,743.28x = 8,618.55 × 2,456.39
  4. Step 4: Simplify right side
    5,743.28x = 21,170,476.94
  5. Step 5: Solve for x
    x = 21,170,476.94/5,743.28
  6. Step 6: Final answer
    x = 3,686.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.