Home / 8,182.12-12,275.10-2,338.58

Finding the Fourth Proportional to 8,182.12, 12,275.10 and 2,338.58

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Solution

The fourth proportional to 8,182.12, 12,275.10 and 2,338.58 is: 3,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.12 : 12,275.10 = 2,338.58 : x
  2. Step 2: Convert to fraction form
    8,182.12/12,275.10 = 2,338.58/x
  3. Step 3: Cross multiply
    8,182.12x = 12,275.10 × 2,338.58
  4. Step 4: Simplify right side
    8,182.12x = 28,706,303.36
  5. Step 5: Solve for x
    x = 28,706,303.36/8,182.12
  6. Step 6: Final answer
    x = 3,508.42

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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.