Home / 8,247.16-12,363.41-4,290.11

Finding the Fourth Proportional to 8,247.16, 12,363.41 and 4,290.11

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Solution

The fourth proportional to 8,247.16, 12,363.41 and 4,290.11 is: 6,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.16 : 12,363.41 = 4,290.11 : x
  2. Step 2: Convert to fraction form
    8,247.16/12,363.41 = 4,290.11/x
  3. Step 3: Cross multiply
    8,247.16x = 12,363.41 × 4,290.11
  4. Step 4: Simplify right side
    8,247.16x = 53,040,337.78
  5. Step 5: Solve for x
    x = 53,040,337.78/8,247.16
  6. Step 6: Final answer
    x = 6,431.35

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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.