Home / 8,302.50-12,456.18-2,459.26

Finding the Fourth Proportional to 8,302.50, 12,456.18 and 2,459.26

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Solution

The fourth proportional to 8,302.50, 12,456.18 and 2,459.26 is: 3,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.50 : 12,456.18 = 2,459.26 : x
  2. Step 2: Convert to fraction form
    8,302.50/12,456.18 = 2,459.26/x
  3. Step 3: Cross multiply
    8,302.50x = 12,456.18 × 2,459.26
  4. Step 4: Simplify right side
    8,302.50x = 30,633,000.80
  5. Step 5: Solve for x
    x = 30,633,000.80/8,302.50
  6. Step 6: Final answer
    x = 3,689.61

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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.