Home / 5,146.74-7,719.98-1,251.11

Finding the Fourth Proportional to 5,146.74, 7,719.98 and 1,251.11

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Solution

The fourth proportional to 5,146.74, 7,719.98 and 1,251.11 is: 1,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.74 : 7,719.98 = 1,251.11 : x
  2. Step 2: Convert to fraction form
    5,146.74/7,719.98 = 1,251.11/x
  3. Step 3: Cross multiply
    5,146.74x = 7,719.98 × 1,251.11
  4. Step 4: Simplify right side
    5,146.74x = 9,658,557.22
  5. Step 5: Solve for x
    x = 9,658,557.22/5,146.74
  6. Step 6: Final answer
    x = 1,876.64

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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.