Home / 10,279.85-15,410.51-3,701.39

Finding the Fourth Proportional to 10,279.85, 15,410.51 and 3,701.39

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Solution

The fourth proportional to 10,279.85, 15,410.51 and 3,701.39 is: 5,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.85 : 15,410.51 = 3,701.39 : x
  2. Step 2: Convert to fraction form
    10,279.85/15,410.51 = 3,701.39/x
  3. Step 3: Cross multiply
    10,279.85x = 15,410.51 × 3,701.39
  4. Step 4: Simplify right side
    10,279.85x = 57,040,289.10
  5. Step 5: Solve for x
    x = 57,040,289.10/10,279.85
  6. Step 6: Final answer
    x = 5,548.75

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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.