Home / 5,146.37-7,719.56-1,250.78

Finding the Fourth Proportional to 5,146.37, 7,719.56 and 1,250.78

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Solution

The fourth proportional to 5,146.37, 7,719.56 and 1,250.78 is: 1,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.37 : 7,719.56 = 1,250.78 : x
  2. Step 2: Convert to fraction form
    5,146.37/7,719.56 = 1,250.78/x
  3. Step 3: Cross multiply
    5,146.37x = 7,719.56 × 1,250.78
  4. Step 4: Simplify right side
    5,146.37x = 9,655,471.26
  5. Step 5: Solve for x
    x = 9,655,471.26/5,146.37
  6. Step 6: Final answer
    x = 1,876.17

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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.