Home / 5,280.16-7,286.13-3,155.27

Finding the Fourth Proportional to 5,280.16, 7,286.13 and 3,155.27

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Solution

The fourth proportional to 5,280.16, 7,286.13 and 3,155.27 is: 4,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.16 : 7,286.13 = 3,155.27 : x
  2. Step 2: Convert to fraction form
    5,280.16/7,286.13 = 3,155.27/x
  3. Step 3: Cross multiply
    5,280.16x = 7,286.13 × 3,155.27
  4. Step 4: Simplify right side
    5,280.16x = 22,989,711.96
  5. Step 5: Solve for x
    x = 22,989,711.96/5,280.16
  6. Step 6: Final answer
    x = 4,353.98

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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.