Home / 5,276.62-7,279.80-4,065.66

Finding the Fourth Proportional to 5,276.62, 7,279.80 and 4,065.66

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Solution

The fourth proportional to 5,276.62, 7,279.80 and 4,065.66 is: 5,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.62 : 7,279.80 = 4,065.66 : x
  2. Step 2: Convert to fraction form
    5,276.62/7,279.80 = 4,065.66/x
  3. Step 3: Cross multiply
    5,276.62x = 7,279.80 × 4,065.66
  4. Step 4: Simplify right side
    5,276.62x = 29,597,191.67
  5. Step 5: Solve for x
    x = 29,597,191.67/5,276.62
  6. Step 6: Final answer
    x = 5,609.12

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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.