Home / 8,957.12-13,436.34-2,383.28

Finding the Fourth Proportional to 8,957.12, 13,436.34 and 2,383.28

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Solution

The fourth proportional to 8,957.12, 13,436.34 and 2,383.28 is: 3,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.12 : 13,436.34 = 2,383.28 : x
  2. Step 2: Convert to fraction form
    8,957.12/13,436.34 = 2,383.28/x
  3. Step 3: Cross multiply
    8,957.12x = 13,436.34 × 2,383.28
  4. Step 4: Simplify right side
    8,957.12x = 32,022,560.40
  5. Step 5: Solve for x
    x = 32,022,560.40/8,957.12
  6. Step 6: Final answer
    x = 3,575.10

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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.