Home / 9,127.17-13,687.42-4,445.78

Finding the Fourth Proportional to 9,127.17, 13,687.42 and 4,445.78

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Solution

The fourth proportional to 9,127.17, 13,687.42 and 4,445.78 is: 6,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.17 : 13,687.42 = 4,445.78 : x
  2. Step 2: Convert to fraction form
    9,127.17/13,687.42 = 4,445.78/x
  3. Step 3: Cross multiply
    9,127.17x = 13,687.42 × 4,445.78
  4. Step 4: Simplify right side
    9,127.17x = 60,851,258.09
  5. Step 5: Solve for x
    x = 60,851,258.09/9,127.17
  6. Step 6: Final answer
    x = 6,667.05

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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.