Home / 8,053.12-12,080.40-2,209.76

Finding the Fourth Proportional to 8,053.12, 12,080.40 and 2,209.76

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Solution

The fourth proportional to 8,053.12, 12,080.40 and 2,209.76 is: 3,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.12 : 12,080.40 = 2,209.76 : x
  2. Step 2: Convert to fraction form
    8,053.12/12,080.40 = 2,209.76/x
  3. Step 3: Cross multiply
    8,053.12x = 12,080.40 × 2,209.76
  4. Step 4: Simplify right side
    8,053.12x = 26,694,784.70
  5. Step 5: Solve for x
    x = 26,694,784.70/8,053.12
  6. Step 6: Final answer
    x = 3,314.84

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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.