Home / 10,279.69-15,410.28-3,701.25

Finding the Fourth Proportional to 10,279.69, 15,410.28 and 3,701.25

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Solution

The fourth proportional to 10,279.69, 15,410.28 and 3,701.25 is: 5,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.69 : 15,410.28 = 3,701.25 : x
  2. Step 2: Convert to fraction form
    10,279.69/15,410.28 = 3,701.25/x
  3. Step 3: Cross multiply
    10,279.69x = 15,410.28 × 3,701.25
  4. Step 4: Simplify right side
    10,279.69x = 57,037,298.85
  5. Step 5: Solve for x
    x = 57,037,298.85/10,279.69
  6. Step 6: Final answer
    x = 5,548.54

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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.