Home / 6,385.98-9,578.16-4,744.92

Finding the Fourth Proportional to 6,385.98, 9,578.16 and 4,744.92

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Solution

The fourth proportional to 6,385.98, 9,578.16 and 4,744.92 is: 7,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.98 : 9,578.16 = 4,744.92 : x
  2. Step 2: Convert to fraction form
    6,385.98/9,578.16 = 4,744.92/x
  3. Step 3: Cross multiply
    6,385.98x = 9,578.16 × 4,744.92
  4. Step 4: Simplify right side
    6,385.98x = 45,447,602.95
  5. Step 5: Solve for x
    x = 45,447,602.95/6,385.98
  6. Step 6: Final answer
    x = 7,116.78

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Similar ratio
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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.