Home / 8,080.06-12,123.12-2,815.46

Finding the Fourth Proportional to 8,080.06, 12,123.12 and 2,815.46

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Solution

The fourth proportional to 8,080.06, 12,123.12 and 2,815.46 is: 4,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.06 : 12,123.12 = 2,815.46 : x
  2. Step 2: Convert to fraction form
    8,080.06/12,123.12 = 2,815.46/x
  3. Step 3: Cross multiply
    8,080.06x = 12,123.12 × 2,815.46
  4. Step 4: Simplify right side
    8,080.06x = 34,132,159.44
  5. Step 5: Solve for x
    x = 34,132,159.44/8,080.06
  6. Step 6: Final answer
    x = 4,224.25

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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.