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Finding the Fourth Proportional to 7,515, 10,367.43 and 4,529.14

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Solution

The fourth proportional to 7,515, 10,367.43 and 4,529.14 is: 6,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515 : 10,367.43 = 4,529.14 : x
  2. Step 2: Convert to fraction form
    7,515/10,367.43 = 4,529.14/x
  3. Step 3: Cross multiply
    7,515x = 10,367.43 × 4,529.14
  4. Step 4: Simplify right side
    7,515x = 46,955,541.91
  5. Step 5: Solve for x
    x = 46,955,541.91/7,515
  6. Step 6: Final answer
    x = 6,248.24

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1.5x scale

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.