Home / 7,714.36-11,565.04-3,031.76

Finding the Fourth Proportional to 7,714.36, 11,565.04 and 3,031.76

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Solution

The fourth proportional to 7,714.36, 11,565.04 and 3,031.76 is: 4,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.36 : 11,565.04 = 3,031.76 : x
  2. Step 2: Convert to fraction form
    7,714.36/11,565.04 = 3,031.76/x
  3. Step 3: Cross multiply
    7,714.36x = 11,565.04 × 3,031.76
  4. Step 4: Simplify right side
    7,714.36x = 35,062,425.67
  5. Step 5: Solve for x
    x = 35,062,425.67/7,714.36
  6. Step 6: Final answer
    x = 4,545.09

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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.