Home / 6,637.31-9,158.90-4,119.15

Finding the Fourth Proportional to 6,637.31, 9,158.90 and 4,119.15

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Solution

The fourth proportional to 6,637.31, 9,158.90 and 4,119.15 is: 5,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.31 : 9,158.90 = 4,119.15 : x
  2. Step 2: Convert to fraction form
    6,637.31/9,158.90 = 4,119.15/x
  3. Step 3: Cross multiply
    6,637.31x = 9,158.90 × 4,119.15
  4. Step 4: Simplify right side
    6,637.31x = 37,726,862.34
  5. Step 5: Solve for x
    x = 37,726,862.34/6,637.31
  6. Step 6: Final answer
    x = 5,684.06

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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.