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Finding the Fourth Proportional to 4,895.98, 7,343.88 and 1,974.22

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Solution

The fourth proportional to 4,895.98, 7,343.88 and 1,974.22 is: 2,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.98 : 7,343.88 = 1,974.22 : x
  2. Step 2: Convert to fraction form
    4,895.98/7,343.88 = 1,974.22/x
  3. Step 3: Cross multiply
    4,895.98x = 7,343.88 × 1,974.22
  4. Step 4: Simplify right side
    4,895.98x = 14,498,434.77
  5. Step 5: Solve for x
    x = 14,498,434.77/4,895.98
  6. Step 6: Final answer
    x = 2,961.29

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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.