Home / 6,621.70-9,932.47-1,691.29

Finding the Fourth Proportional to 6,621.70, 9,932.47 and 1,691.29

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Solution

The fourth proportional to 6,621.70, 9,932.47 and 1,691.29 is: 2,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.70 : 9,932.47 = 1,691.29 : x
  2. Step 2: Convert to fraction form
    6,621.70/9,932.47 = 1,691.29/x
  3. Step 3: Cross multiply
    6,621.70x = 9,932.47 × 1,691.29
  4. Step 4: Simplify right side
    6,621.70x = 16,798,687.19
  5. Step 5: Solve for x
    x = 16,798,687.19/6,621.70
  6. Step 6: Final answer
    x = 2,536.91

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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.