Home / 5,412.31-8,106.16-4,234.97

Finding the Fourth Proportional to 5,412.31, 8,106.16 and 4,234.97

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Solution

The fourth proportional to 5,412.31, 8,106.16 and 4,234.97 is: 6,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.31 : 8,106.16 = 4,234.97 : x
  2. Step 2: Convert to fraction form
    5,412.31/8,106.16 = 4,234.97/x
  3. Step 3: Cross multiply
    5,412.31x = 8,106.16 × 4,234.97
  4. Step 4: Simplify right side
    5,412.31x = 34,329,344.42
  5. Step 5: Solve for x
    x = 34,329,344.42/5,412.31
  6. Step 6: Final answer
    x = 6,342.83

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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.