Home / 5,589.22-8,387.16-2,078.65

Finding the Fourth Proportional to 5,589.22, 8,387.16 and 2,078.65

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Solution

The fourth proportional to 5,589.22, 8,387.16 and 2,078.65 is: 3,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.22 : 8,387.16 = 2,078.65 : x
  2. Step 2: Convert to fraction form
    5,589.22/8,387.16 = 2,078.65/x
  3. Step 3: Cross multiply
    5,589.22x = 8,387.16 × 2,078.65
  4. Step 4: Simplify right side
    5,589.22x = 17,433,970.13
  5. Step 5: Solve for x
    x = 17,433,970.13/5,589.22
  6. Step 6: Final answer
    x = 3,119.21

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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.