Home / 6,614.07-9,126.82-3,780.88

Finding the Fourth Proportional to 6,614.07, 9,126.82 and 3,780.88

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Solution

The fourth proportional to 6,614.07, 9,126.82 and 3,780.88 is: 5,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.07 : 9,126.82 = 3,780.88 : x
  2. Step 2: Convert to fraction form
    6,614.07/9,126.82 = 3,780.88/x
  3. Step 3: Cross multiply
    6,614.07x = 9,126.82 × 3,780.88
  4. Step 4: Simplify right side
    6,614.07x = 34,507,411.20
  5. Step 5: Solve for x
    x = 34,507,411.20/6,614.07
  6. Step 6: Final answer
    x = 5,217.27

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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.