Home / 6,126.79-9,191.55-1,967.17

Finding the Fourth Proportional to 6,126.79, 9,191.55 and 1,967.17

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Solution

The fourth proportional to 6,126.79, 9,191.55 and 1,967.17 is: 2,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.79 : 9,191.55 = 1,967.17 : x
  2. Step 2: Convert to fraction form
    6,126.79/9,191.55 = 1,967.17/x
  3. Step 3: Cross multiply
    6,126.79x = 9,191.55 × 1,967.17
  4. Step 4: Simplify right side
    6,126.79x = 18,081,341.41
  5. Step 5: Solve for x
    x = 18,081,341.41/6,126.79
  6. Step 6: Final answer
    x = 2,951.19

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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.