Home / 8,708.85-13,055.38-5,589.74

Finding the Fourth Proportional to 8,708.85, 13,055.38 and 5,589.74

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Solution

The fourth proportional to 8,708.85, 13,055.38 and 5,589.74 is: 8,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.85 : 13,055.38 = 5,589.74 : x
  2. Step 2: Convert to fraction form
    8,708.85/13,055.38 = 5,589.74/x
  3. Step 3: Cross multiply
    8,708.85x = 13,055.38 × 5,589.74
  4. Step 4: Simplify right side
    8,708.85x = 72,976,198.47
  5. Step 5: Solve for x
    x = 72,976,198.47/8,708.85
  6. Step 6: Final answer
    x = 8,379.54

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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.