Home / 8,900.31-13,350.32-3,634.16

Finding the Fourth Proportional to 8,900.31, 13,350.32 and 3,634.16

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Solution

The fourth proportional to 8,900.31, 13,350.32 and 3,634.16 is: 5,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.31 : 13,350.32 = 3,634.16 : x
  2. Step 2: Convert to fraction form
    8,900.31/13,350.32 = 3,634.16/x
  3. Step 3: Cross multiply
    8,900.31x = 13,350.32 × 3,634.16
  4. Step 4: Simplify right side
    8,900.31x = 48,517,180.76
  5. Step 5: Solve for x
    x = 48,517,180.76/8,900.31
  6. Step 6: Final answer
    x = 5,451.18

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1.5x scale

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.