Home / 8,106.26-12,160.68-2,842.76

Finding the Fourth Proportional to 8,106.26, 12,160.68 and 2,842.76

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Solution

The fourth proportional to 8,106.26, 12,160.68 and 2,842.76 is: 4,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.26 : 12,160.68 = 2,842.76 : x
  2. Step 2: Convert to fraction form
    8,106.26/12,160.68 = 2,842.76/x
  3. Step 3: Cross multiply
    8,106.26x = 12,160.68 × 2,842.76
  4. Step 4: Simplify right side
    8,106.26x = 34,569,894.68
  5. Step 5: Solve for x
    x = 34,569,894.68/8,106.26
  6. Step 6: Final answer
    x = 4,264.59

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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.