Home / 8,266.16-12,401.16-2,719.52

Finding the Fourth Proportional to 8,266.16, 12,401.16 and 2,719.52

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Solution

The fourth proportional to 8,266.16, 12,401.16 and 2,719.52 is: 4,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.16 : 12,401.16 = 2,719.52 : x
  2. Step 2: Convert to fraction form
    8,266.16/12,401.16 = 2,719.52/x
  3. Step 3: Cross multiply
    8,266.16x = 12,401.16 × 2,719.52
  4. Step 4: Simplify right side
    8,266.16x = 33,725,202.64
  5. Step 5: Solve for x
    x = 33,725,202.64/8,266.16
  6. Step 6: Final answer
    x = 4,079.91

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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.