Home / 6,486.10-9,729.05-4,400.92

Finding the Fourth Proportional to 6,486.10, 9,729.05 and 4,400.92

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Solution

The fourth proportional to 6,486.10, 9,729.05 and 4,400.92 is: 6,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.10 : 9,729.05 = 4,400.92 : x
  2. Step 2: Convert to fraction form
    6,486.10/9,729.05 = 4,400.92/x
  3. Step 3: Cross multiply
    6,486.10x = 9,729.05 × 4,400.92
  4. Step 4: Simplify right side
    6,486.10x = 42,816,770.73
  5. Step 5: Solve for x
    x = 42,816,770.73/6,486.10
  6. Step 6: Final answer
    x = 6,601.31

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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.