Home / 6,631.85-9,152.13-3,647.87

Finding the Fourth Proportional to 6,631.85, 9,152.13 and 3,647.87

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Solution

The fourth proportional to 6,631.85, 9,152.13 and 3,647.87 is: 5,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.85 : 9,152.13 = 3,647.87 : x
  2. Step 2: Convert to fraction form
    6,631.85/9,152.13 = 3,647.87/x
  3. Step 3: Cross multiply
    6,631.85x = 9,152.13 × 3,647.87
  4. Step 4: Simplify right side
    6,631.85x = 33,385,780.46
  5. Step 5: Solve for x
    x = 33,385,780.46/6,631.85
  6. Step 6: Final answer
    x = 5,034.16

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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.