Home / 8,192.86-12,290.40-3,263.02

Finding the Fourth Proportional to 8,192.86, 12,290.40 and 3,263.02

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Solution

The fourth proportional to 8,192.86, 12,290.40 and 3,263.02 is: 4,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.86 : 12,290.40 = 3,263.02 : x
  2. Step 2: Convert to fraction form
    8,192.86/12,290.40 = 3,263.02/x
  3. Step 3: Cross multiply
    8,192.86x = 12,290.40 × 3,263.02
  4. Step 4: Simplify right side
    8,192.86x = 40,103,821.01
  5. Step 5: Solve for x
    x = 40,103,821.01/8,192.86
  6. Step 6: Final answer
    x = 4,894.97

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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.