Home / 8,151.70-12,226.02-2,308.12

Finding the Fourth Proportional to 8,151.70, 12,226.02 and 2,308.12

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Solution

The fourth proportional to 8,151.70, 12,226.02 and 2,308.12 is: 3,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.70 : 12,226.02 = 2,308.12 : x
  2. Step 2: Convert to fraction form
    8,151.70/12,226.02 = 2,308.12/x
  3. Step 3: Cross multiply
    8,151.70x = 12,226.02 × 2,308.12
  4. Step 4: Simplify right side
    8,151.70x = 28,219,121.28
  5. Step 5: Solve for x
    x = 28,219,121.28/8,151.70
  6. Step 6: Final answer
    x = 3,461.75

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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.