Home / 8,441.46-12,657.93-3,761.28

Finding the Fourth Proportional to 8,441.46, 12,657.93 and 3,761.28

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Solution

The fourth proportional to 8,441.46, 12,657.93 and 3,761.28 is: 5,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.46 : 12,657.93 = 3,761.28 : x
  2. Step 2: Convert to fraction form
    8,441.46/12,657.93 = 3,761.28/x
  3. Step 3: Cross multiply
    8,441.46x = 12,657.93 × 3,761.28
  4. Step 4: Simplify right side
    8,441.46x = 47,610,018.95
  5. Step 5: Solve for x
    x = 47,610,018.95/8,441.46
  6. Step 6: Final answer
    x = 5,640.02

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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.