Home / 6,129.60-9,188.16-2,666.24

Finding the Fourth Proportional to 6,129.60, 9,188.16 and 2,666.24

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Solution

The fourth proportional to 6,129.60, 9,188.16 and 2,666.24 is: 3,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.60 : 9,188.16 = 2,666.24 : x
  2. Step 2: Convert to fraction form
    6,129.60/9,188.16 = 2,666.24/x
  3. Step 3: Cross multiply
    6,129.60x = 9,188.16 × 2,666.24
  4. Step 4: Simplify right side
    6,129.60x = 24,497,839.72
  5. Step 5: Solve for x
    x = 24,497,839.72/6,129.60
  6. Step 6: Final answer
    x = 3,996.65

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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.