Home / 5,589.32-8,387.62-2,126.57

Finding the Fourth Proportional to 5,589.32, 8,387.62 and 2,126.57

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Solution

The fourth proportional to 5,589.32, 8,387.62 and 2,126.57 is: 3,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.32 : 8,387.62 = 2,126.57 : x
  2. Step 2: Convert to fraction form
    5,589.32/8,387.62 = 2,126.57/x
  3. Step 3: Cross multiply
    5,589.32x = 8,387.62 × 2,126.57
  4. Step 4: Simplify right side
    5,589.32x = 17,836,813.81
  5. Step 5: Solve for x
    x = 17,836,813.81/5,589.32
  6. Step 6: Final answer
    x = 3,191.23

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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.