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Finding the Fourth Proportional to 8,043.57, 12,060.90 and 2,775.74

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Solution

The fourth proportional to 8,043.57, 12,060.90 and 2,775.74 is: 4,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.57 : 12,060.90 = 2,775.74 : x
  2. Step 2: Convert to fraction form
    8,043.57/12,060.90 = 2,775.74/x
  3. Step 3: Cross multiply
    8,043.57x = 12,060.90 × 2,775.74
  4. Step 4: Simplify right side
    8,043.57x = 33,477,862.26
  5. Step 5: Solve for x
    x = 33,477,862.26/8,043.57
  6. Step 6: Final answer
    x = 4,162.07

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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.