Home / 10,437.26-15,657.86-4,197.78

Finding the Fourth Proportional to 10,437.26, 15,657.86 and 4,197.78

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Solution

The fourth proportional to 10,437.26, 15,657.86 and 4,197.78 is: 6,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.26 : 15,657.86 = 4,197.78 : x
  2. Step 2: Convert to fraction form
    10,437.26/15,657.86 = 4,197.78/x
  3. Step 3: Cross multiply
    10,437.26x = 15,657.86 × 4,197.78
  4. Step 4: Simplify right side
    10,437.26x = 65,728,262.05
  5. Step 5: Solve for x
    x = 65,728,262.05/10,437.26
  6. Step 6: Final answer
    x = 6,297.47

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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.