Home / 10,437.45-15,656.51-3,417.86

Finding the Fourth Proportional to 10,437.45, 15,656.51 and 3,417.86

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Solution

The fourth proportional to 10,437.45, 15,656.51 and 3,417.86 is: 5,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.45 : 15,656.51 = 3,417.86 : x
  2. Step 2: Convert to fraction form
    10,437.45/15,656.51 = 3,417.86/x
  3. Step 3: Cross multiply
    10,437.45x = 15,656.51 × 3,417.86
  4. Step 4: Simplify right side
    10,437.45x = 53,511,806.95
  5. Step 5: Solve for x
    x = 53,511,806.95/10,437.45
  6. Step 6: Final answer
    x = 5,126.90

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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.