Home / 6,126.49-9,189.57-1,966.47

Finding the Fourth Proportional to 6,126.49, 9,189.57 and 1,966.47

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Solution

The fourth proportional to 6,126.49, 9,189.57 and 1,966.47 is: 2,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.49 : 9,189.57 = 1,966.47 : x
  2. Step 2: Convert to fraction form
    6,126.49/9,189.57 = 1,966.47/x
  3. Step 3: Cross multiply
    6,126.49x = 9,189.57 × 1,966.47
  4. Step 4: Simplify right side
    6,126.49x = 18,071,013.72
  5. Step 5: Solve for x
    x = 18,071,013.72/6,126.49
  6. Step 6: Final answer
    x = 2,949.65

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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.