Home / 8,908.32-13,362.84-3,977.04

Finding the Fourth Proportional to 8,908.32, 13,362.84 and 3,977.04

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Solution

The fourth proportional to 8,908.32, 13,362.84 and 3,977.04 is: 5,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.32 : 13,362.84 = 3,977.04 : x
  2. Step 2: Convert to fraction form
    8,908.32/13,362.84 = 3,977.04/x
  3. Step 3: Cross multiply
    8,908.32x = 13,362.84 × 3,977.04
  4. Step 4: Simplify right side
    8,908.32x = 53,144,549.19
  5. Step 5: Solve for x
    x = 53,144,549.19/8,908.32
  6. Step 6: Final answer
    x = 5,965.72

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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.