Home / 6,637.04-9,158.85-3,911.55

Finding the Fourth Proportional to 6,637.04, 9,158.85 and 3,911.55

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Solution

The fourth proportional to 6,637.04, 9,158.85 and 3,911.55 is: 5,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.04 : 9,158.85 = 3,911.55 : x
  2. Step 2: Convert to fraction form
    6,637.04/9,158.85 = 3,911.55/x
  3. Step 3: Cross multiply
    6,637.04x = 9,158.85 × 3,911.55
  4. Step 4: Simplify right side
    6,637.04x = 35,825,299.72
  5. Step 5: Solve for x
    x = 35,825,299.72/6,637.04
  6. Step 6: Final answer
    x = 5,397.78

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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.