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Finding the Fourth Proportional to 4,887.62, 7,331.91 and 1,377.62

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Solution

The fourth proportional to 4,887.62, 7,331.91 and 1,377.62 is: 2,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.62 : 7,331.91 = 1,377.62 : x
  2. Step 2: Convert to fraction form
    4,887.62/7,331.91 = 1,377.62/x
  3. Step 3: Cross multiply
    4,887.62x = 7,331.91 × 1,377.62
  4. Step 4: Simplify right side
    4,887.62x = 10,100,585.85
  5. Step 5: Solve for x
    x = 10,100,585.85/4,887.62
  6. Step 6: Final answer
    x = 2,066.57

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1.5x scale

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.