Home / 5,280.28-7,915.18-2,941.36

Finding the Fourth Proportional to 5,280.28, 7,915.18 and 2,941.36

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Solution

The fourth proportional to 5,280.28, 7,915.18 and 2,941.36 is: 4,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.28 : 7,915.18 = 2,941.36 : x
  2. Step 2: Convert to fraction form
    5,280.28/7,915.18 = 2,941.36/x
  3. Step 3: Cross multiply
    5,280.28x = 7,915.18 × 2,941.36
  4. Step 4: Simplify right side
    5,280.28x = 23,281,366.70
  5. Step 5: Solve for x
    x = 23,281,366.70/5,280.28
  6. Step 6: Final answer
    x = 4,409.12

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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.