Home / 6,486.13-9,729.06-4,400.92

Finding the Fourth Proportional to 6,486.13, 9,729.06 and 4,400.92

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Solution

The fourth proportional to 6,486.13, 9,729.06 and 4,400.92 is: 6,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.13 : 9,729.06 = 4,400.92 : x
  2. Step 2: Convert to fraction form
    6,486.13/9,729.06 = 4,400.92/x
  3. Step 3: Cross multiply
    6,486.13x = 9,729.06 × 4,400.92
  4. Step 4: Simplify right side
    6,486.13x = 42,816,814.74
  5. Step 5: Solve for x
    x = 42,816,814.74/6,486.13
  6. Step 6: Final answer
    x = 6,601.29

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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.