Home / 6,417.20-9,631.92-3,501.68

Finding the Fourth Proportional to 6,417.20, 9,631.92 and 3,501.68

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Solution

The fourth proportional to 6,417.20, 9,631.92 and 3,501.68 is: 5,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.20 : 9,631.92 = 3,501.68 : x
  2. Step 2: Convert to fraction form
    6,417.20/9,631.92 = 3,501.68/x
  3. Step 3: Cross multiply
    6,417.20x = 9,631.92 × 3,501.68
  4. Step 4: Simplify right side
    6,417.20x = 33,727,901.63
  5. Step 5: Solve for x
    x = 33,727,901.63/6,417.20
  6. Step 6: Final answer
    x = 5,255.86

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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.