Home / 8,151.54-12,228.34-2,308.15

Finding the Fourth Proportional to 8,151.54, 12,228.34 and 2,308.15

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Solution

The fourth proportional to 8,151.54, 12,228.34 and 2,308.15 is: 3,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.54 : 12,228.34 = 2,308.15 : x
  2. Step 2: Convert to fraction form
    8,151.54/12,228.34 = 2,308.15/x
  3. Step 3: Cross multiply
    8,151.54x = 12,228.34 × 2,308.15
  4. Step 4: Simplify right side
    8,151.54x = 28,224,842.97
  5. Step 5: Solve for x
    x = 28,224,842.97/8,151.54
  6. Step 6: Final answer
    x = 3,462.52

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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.