Home / 5,718.40-8,566.28-4,480.04

Finding the Fourth Proportional to 5,718.40, 8,566.28 and 4,480.04

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Solution

The fourth proportional to 5,718.40, 8,566.28 and 4,480.04 is: 6,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.40 : 8,566.28 = 4,480.04 : x
  2. Step 2: Convert to fraction form
    5,718.40/8,566.28 = 4,480.04/x
  3. Step 3: Cross multiply
    5,718.40x = 8,566.28 × 4,480.04
  4. Step 4: Simplify right side
    5,718.40x = 38,377,277.05
  5. Step 5: Solve for x
    x = 38,377,277.05/5,718.40
  6. Step 6: Final answer
    x = 6,711.19

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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.