Home / 6,748.46-10,115.76-2,587.34

Finding the Fourth Proportional to 6,748.46, 10,115.76 and 2,587.34

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Solution

The fourth proportional to 6,748.46, 10,115.76 and 2,587.34 is: 3,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.46 : 10,115.76 = 2,587.34 : x
  2. Step 2: Convert to fraction form
    6,748.46/10,115.76 = 2,587.34/x
  3. Step 3: Cross multiply
    6,748.46x = 10,115.76 × 2,587.34
  4. Step 4: Simplify right side
    6,748.46x = 26,172,910.48
  5. Step 5: Solve for x
    x = 26,172,910.48/6,748.46
  6. Step 6: Final answer
    x = 3,878.35

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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.