Home / 8,575.19-12,864.32-3,031.75

Finding the Fourth Proportional to 8,575.19, 12,864.32 and 3,031.75

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Solution

The fourth proportional to 8,575.19, 12,864.32 and 3,031.75 is: 4,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.19 : 12,864.32 = 3,031.75 : x
  2. Step 2: Convert to fraction form
    8,575.19/12,864.32 = 3,031.75/x
  3. Step 3: Cross multiply
    8,575.19x = 12,864.32 × 3,031.75
  4. Step 4: Simplify right side
    8,575.19x = 39,001,419.16
  5. Step 5: Solve for x
    x = 39,001,419.16/8,575.19
  6. Step 6: Final answer
    x = 4,548.17

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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.