Home / 8,042.24-12,064.95-3,111.92

Finding the Fourth Proportional to 8,042.24, 12,064.95 and 3,111.92

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Solution

The fourth proportional to 8,042.24, 12,064.95 and 3,111.92 is: 4,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.24 : 12,064.95 = 3,111.92 : x
  2. Step 2: Convert to fraction form
    8,042.24/12,064.95 = 3,111.92/x
  3. Step 3: Cross multiply
    8,042.24x = 12,064.95 × 3,111.92
  4. Step 4: Simplify right side
    8,042.24x = 37,545,144.12
  5. Step 5: Solve for x
    x = 37,545,144.12/8,042.24
  6. Step 6: Final answer
    x = 4,668.50

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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.