Home / 7,999.04-12,006.24-3,897.92

Finding the Fourth Proportional to 7,999.04, 12,006.24 and 3,897.92

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Solution

The fourth proportional to 7,999.04, 12,006.24 and 3,897.92 is: 5,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.04 : 12,006.24 = 3,897.92 : x
  2. Step 2: Convert to fraction form
    7,999.04/12,006.24 = 3,897.92/x
  3. Step 3: Cross multiply
    7,999.04x = 12,006.24 × 3,897.92
  4. Step 4: Simplify right side
    7,999.04x = 46,799,363.02
  5. Step 5: Solve for x
    x = 46,799,363.02/7,999.04
  6. Step 6: Final answer
    x = 5,850.62

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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.