Home / 8,005.67-12,010.28-2,459.57

Finding the Fourth Proportional to 8,005.67, 12,010.28 and 2,459.57

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Solution

The fourth proportional to 8,005.67, 12,010.28 and 2,459.57 is: 3,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.67 : 12,010.28 = 2,459.57 : x
  2. Step 2: Convert to fraction form
    8,005.67/12,010.28 = 2,459.57/x
  3. Step 3: Cross multiply
    8,005.67x = 12,010.28 × 2,459.57
  4. Step 4: Simplify right side
    8,005.67x = 29,540,124.38
  5. Step 5: Solve for x
    x = 29,540,124.38/8,005.67
  6. Step 6: Final answer
    x = 3,689.90

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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.