Home / 8,071.60-12,100.11-2,876.26

Finding the Fourth Proportional to 8,071.60, 12,100.11 and 2,876.26

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Solution

The fourth proportional to 8,071.60, 12,100.11 and 2,876.26 is: 4,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.60 : 12,100.11 = 2,876.26 : x
  2. Step 2: Convert to fraction form
    8,071.60/12,100.11 = 2,876.26/x
  3. Step 3: Cross multiply
    8,071.60x = 12,100.11 × 2,876.26
  4. Step 4: Simplify right side
    8,071.60x = 34,803,062.39
  5. Step 5: Solve for x
    x = 34,803,062.39/8,071.60
  6. Step 6: Final answer
    x = 4,311.79

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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.