Home / 6,417.40-9,626.14-3,288.52

Finding the Fourth Proportional to 6,417.40, 9,626.14 and 3,288.52

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Solution

The fourth proportional to 6,417.40, 9,626.14 and 3,288.52 is: 4,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.40 : 9,626.14 = 3,288.52 : x
  2. Step 2: Convert to fraction form
    6,417.40/9,626.14 = 3,288.52/x
  3. Step 3: Cross multiply
    6,417.40x = 9,626.14 × 3,288.52
  4. Step 4: Simplify right side
    6,417.40x = 31,655,753.91
  5. Step 5: Solve for x
    x = 31,655,753.91/6,417.40
  6. Step 6: Final answer
    x = 4,932.80

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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.