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Finding the Fourth Proportional to 8,394.31, 12,576.88 and 5,890.19

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Solution

The fourth proportional to 8,394.31, 12,576.88 and 5,890.19 is: 8,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.31 : 12,576.88 = 5,890.19 : x
  2. Step 2: Convert to fraction form
    8,394.31/12,576.88 = 5,890.19/x
  3. Step 3: Cross multiply
    8,394.31x = 12,576.88 × 5,890.19
  4. Step 4: Simplify right side
    8,394.31x = 74,080,229.52
  5. Step 5: Solve for x
    x = 74,080,229.52/8,394.31
  6. Step 6: Final answer
    x = 8,825.06

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1.5x scale

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.