Home / 9,142.28-13,712.35-2,569.03

Finding the Fourth Proportional to 9,142.28, 13,712.35 and 2,569.03

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Solution

The fourth proportional to 9,142.28, 13,712.35 and 2,569.03 is: 3,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.28 : 13,712.35 = 2,569.03 : x
  2. Step 2: Convert to fraction form
    9,142.28/13,712.35 = 2,569.03/x
  3. Step 3: Cross multiply
    9,142.28x = 13,712.35 × 2,569.03
  4. Step 4: Simplify right side
    9,142.28x = 35,227,438.52
  5. Step 5: Solve for x
    x = 35,227,438.52/9,142.28
  6. Step 6: Final answer
    x = 3,853.24

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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.