Home / 5,589.61-8,384.38-1,429.61

Finding the Fourth Proportional to 5,589.61, 8,384.38 and 1,429.61

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Solution

The fourth proportional to 5,589.61, 8,384.38 and 1,429.61 is: 2,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.61 : 8,384.38 = 1,429.61 : x
  2. Step 2: Convert to fraction form
    5,589.61/8,384.38 = 1,429.61/x
  3. Step 3: Cross multiply
    5,589.61x = 8,384.38 × 1,429.61
  4. Step 4: Simplify right side
    5,589.61x = 11,986,384.80
  5. Step 5: Solve for x
    x = 11,986,384.80/5,589.61
  6. Step 6: Final answer
    x = 2,144.41

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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.