Home / 5,276.62-7,278.56-3,484.12

Finding the Fourth Proportional to 5,276.62, 7,278.56 and 3,484.12

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Solution

The fourth proportional to 5,276.62, 7,278.56 and 3,484.12 is: 4,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.62 : 7,278.56 = 3,484.12 : x
  2. Step 2: Convert to fraction form
    5,276.62/7,278.56 = 3,484.12/x
  3. Step 3: Cross multiply
    5,276.62x = 7,278.56 × 3,484.12
  4. Step 4: Simplify right side
    5,276.62x = 25,359,348.78
  5. Step 5: Solve for x
    x = 25,359,348.78/5,276.62
  6. Step 6: Final answer
    x = 4,805.98

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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.