Home / 5,140.33-7,712.55-3,061.33

Finding the Fourth Proportional to 5,140.33, 7,712.55 and 3,061.33

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Solution

The fourth proportional to 5,140.33, 7,712.55 and 3,061.33 is: 4,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.33 : 7,712.55 = 3,061.33 : x
  2. Step 2: Convert to fraction form
    5,140.33/7,712.55 = 3,061.33/x
  3. Step 3: Cross multiply
    5,140.33x = 7,712.55 × 3,061.33
  4. Step 4: Simplify right side
    5,140.33x = 23,610,641.41
  5. Step 5: Solve for x
    x = 23,610,641.41/5,140.33
  6. Step 6: Final answer
    x = 4,593.22

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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.