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Finding the Fourth Proportional to 6,253.88, 9,366.35 and 4,487.85

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Solution

The fourth proportional to 6,253.88, 9,366.35 and 4,487.85 is: 6,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.88 : 9,366.35 = 4,487.85 : x
  2. Step 2: Convert to fraction form
    6,253.88/9,366.35 = 4,487.85/x
  3. Step 3: Cross multiply
    6,253.88x = 9,366.35 × 4,487.85
  4. Step 4: Simplify right side
    6,253.88x = 42,034,751.41
  5. Step 5: Solve for x
    x = 42,034,751.41/6,253.88
  6. Step 6: Final answer
    x = 6,721.39

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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.