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Finding the Fourth Proportional to 7,376, 10,187.52 and 4,887.68

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Solution

The fourth proportional to 7,376, 10,187.52 and 4,887.68 is: 6,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376 : 10,187.52 = 4,887.68 : x
  2. Step 2: Convert to fraction form
    7,376/10,187.52 = 4,887.68/x
  3. Step 3: Cross multiply
    7,376x = 10,187.52 × 4,887.68
  4. Step 4: Simplify right side
    7,376x = 49,793,337.75
  5. Step 5: Solve for x
    x = 49,793,337.75/7,376
  6. Step 6: Final answer
    x = 6,750.72

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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.