Home / 6,691.26-9,195.28-5,429.64

Finding the Fourth Proportional to 6,691.26, 9,195.28 and 5,429.64

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Solution

The fourth proportional to 6,691.26, 9,195.28 and 5,429.64 is: 7,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.26 : 9,195.28 = 5,429.64 : x
  2. Step 2: Convert to fraction form
    6,691.26/9,195.28 = 5,429.64/x
  3. Step 3: Cross multiply
    6,691.26x = 9,195.28 × 5,429.64
  4. Step 4: Simplify right side
    6,691.26x = 49,927,060.10
  5. Step 5: Solve for x
    x = 49,927,060.10/6,691.26
  6. Step 6: Final answer
    x = 7,461.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.