Home / 6,077.98-9,116.71-1,920.97

Finding the Fourth Proportional to 6,077.98, 9,116.71 and 1,920.97

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Solution

The fourth proportional to 6,077.98, 9,116.71 and 1,920.97 is: 2,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.98 : 9,116.71 = 1,920.97 : x
  2. Step 2: Convert to fraction form
    6,077.98/9,116.71 = 1,920.97/x
  3. Step 3: Cross multiply
    6,077.98x = 9,116.71 × 1,920.97
  4. Step 4: Simplify right side
    6,077.98x = 17,512,926.41
  5. Step 5: Solve for x
    x = 17,512,926.41/6,077.98
  6. Step 6: Final answer
    x = 2,881.38

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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.