Home / 8,475.31-12,704.01-4,083.49

Finding the Fourth Proportional to 8,475.31, 12,704.01 and 4,083.49

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Solution

The fourth proportional to 8,475.31, 12,704.01 and 4,083.49 is: 6,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.31 : 12,704.01 = 4,083.49 : x
  2. Step 2: Convert to fraction form
    8,475.31/12,704.01 = 4,083.49/x
  3. Step 3: Cross multiply
    8,475.31x = 12,704.01 × 4,083.49
  4. Step 4: Simplify right side
    8,475.31x = 51,876,697.79
  5. Step 5: Solve for x
    x = 51,876,697.79/8,475.31
  6. Step 6: Final answer
    x = 6,120.92

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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.