Home / 8,045.30-12,067.95-2,851.70

Finding the Fourth Proportional to 8,045.30, 12,067.95 and 2,851.70

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Solution

The fourth proportional to 8,045.30, 12,067.95 and 2,851.70 is: 4,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.30 : 12,067.95 = 2,851.70 : x
  2. Step 2: Convert to fraction form
    8,045.30/12,067.95 = 2,851.70/x
  3. Step 3: Cross multiply
    8,045.30x = 12,067.95 × 2,851.70
  4. Step 4: Simplify right side
    8,045.30x = 34,414,173.02
  5. Step 5: Solve for x
    x = 34,414,173.02/8,045.30
  6. Step 6: Final answer
    x = 4,277.55

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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.