Home / 5,377.72-8,065.56-4,343.74

Finding the Fourth Proportional to 5,377.72, 8,065.56 and 4,343.74

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Solution

The fourth proportional to 5,377.72, 8,065.56 and 4,343.74 is: 6,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.72 : 8,065.56 = 4,343.74 : x
  2. Step 2: Convert to fraction form
    5,377.72/8,065.56 = 4,343.74/x
  3. Step 3: Cross multiply
    5,377.72x = 8,065.56 × 4,343.74
  4. Step 4: Simplify right side
    5,377.72x = 35,034,695.59
  5. Step 5: Solve for x
    x = 35,034,695.59/5,377.72
  6. Step 6: Final answer
    x = 6,514.79

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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.