Home / 8,099.76-12,141.44-3,166.32

Finding the Fourth Proportional to 8,099.76, 12,141.44 and 3,166.32

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Solution

The fourth proportional to 8,099.76, 12,141.44 and 3,166.32 is: 4,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.76 : 12,141.44 = 3,166.32 : x
  2. Step 2: Convert to fraction form
    8,099.76/12,141.44 = 3,166.32/x
  3. Step 3: Cross multiply
    8,099.76x = 12,141.44 × 3,166.32
  4. Step 4: Simplify right side
    8,099.76x = 38,443,684.30
  5. Step 5: Solve for x
    x = 38,443,684.30/8,099.76
  6. Step 6: Final answer
    x = 4,746.27

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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.