Home / 8,377.91-11,559.15-5,395.47

Finding the Fourth Proportional to 8,377.91, 11,559.15 and 5,395.47

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Solution

The fourth proportional to 8,377.91, 11,559.15 and 5,395.47 is: 7,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.91 : 11,559.15 = 5,395.47 : x
  2. Step 2: Convert to fraction form
    8,377.91/11,559.15 = 5,395.47/x
  3. Step 3: Cross multiply
    8,377.91x = 11,559.15 × 5,395.47
  4. Step 4: Simplify right side
    8,377.91x = 62,367,047.05
  5. Step 5: Solve for x
    x = 62,367,047.05/8,377.91
  6. Step 6: Final answer
    x = 7,444.22

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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.