Home / 8,944.40-12,343.31-5,589.16

Finding the Fourth Proportional to 8,944.40, 12,343.31 and 5,589.16

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Solution

The fourth proportional to 8,944.40, 12,343.31 and 5,589.16 is: 7,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.40 : 12,343.31 = 5,589.16 : x
  2. Step 2: Convert to fraction form
    8,944.40/12,343.31 = 5,589.16/x
  3. Step 3: Cross multiply
    8,944.40x = 12,343.31 × 5,589.16
  4. Step 4: Simplify right side
    8,944.40x = 68,988,734.52
  5. Step 5: Solve for x
    x = 68,988,734.52/8,944.40
  6. Step 6: Final answer
    x = 7,713.06

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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.