Home / 5,126.48-7,689.72-3,958.19

Finding the Fourth Proportional to 5,126.48, 7,689.72 and 3,958.19

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Solution

The fourth proportional to 5,126.48, 7,689.72 and 3,958.19 is: 5,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.48 : 7,689.72 = 3,958.19 : x
  2. Step 2: Convert to fraction form
    5,126.48/7,689.72 = 3,958.19/x
  3. Step 3: Cross multiply
    5,126.48x = 7,689.72 × 3,958.19
  4. Step 4: Simplify right side
    5,126.48x = 30,437,334.36
  5. Step 5: Solve for x
    x = 30,437,334.36/5,126.48
  6. Step 6: Final answer
    x = 5,937.28

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Double scale
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Similar ratio
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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.