Home / 6,748.16-10,115.31-2,587.20

Finding the Fourth Proportional to 6,748.16, 10,115.31 and 2,587.20

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Solution

The fourth proportional to 6,748.16, 10,115.31 and 2,587.20 is: 3,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.16 : 10,115.31 = 2,587.20 : x
  2. Step 2: Convert to fraction form
    6,748.16/10,115.31 = 2,587.20/x
  3. Step 3: Cross multiply
    6,748.16x = 10,115.31 × 2,587.20
  4. Step 4: Simplify right side
    6,748.16x = 26,170,330.03
  5. Step 5: Solve for x
    x = 26,170,330.03/6,748.16
  6. Step 6: Final answer
    x = 3,878.14

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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.