Home / 5,119.34-7,679.01-3,471.80

Finding the Fourth Proportional to 5,119.34, 7,679.01 and 3,471.80

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Solution

The fourth proportional to 5,119.34, 7,679.01 and 3,471.80 is: 5,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.34 : 7,679.01 = 3,471.80 : x
  2. Step 2: Convert to fraction form
    5,119.34/7,679.01 = 3,471.80/x
  3. Step 3: Cross multiply
    5,119.34x = 7,679.01 × 3,471.80
  4. Step 4: Simplify right side
    5,119.34x = 26,659,948.52
  5. Step 5: Solve for x
    x = 26,659,948.52/5,119.34
  6. Step 6: Final answer
    x = 5,207.70

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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.