Home / 6,637.76-9,157.92-3,841.28

Finding the Fourth Proportional to 6,637.76, 9,157.92 and 3,841.28

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Solution

The fourth proportional to 6,637.76, 9,157.92 and 3,841.28 is: 5,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.76 : 9,157.92 = 3,841.28 : x
  2. Step 2: Convert to fraction form
    6,637.76/9,157.92 = 3,841.28/x
  3. Step 3: Cross multiply
    6,637.76x = 9,157.92 × 3,841.28
  4. Step 4: Simplify right side
    6,637.76x = 35,178,134.94
  5. Step 5: Solve for x
    x = 35,178,134.94/6,637.76
  6. Step 6: Final answer
    x = 5,299.70

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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.