Home / 8,099.04-12,140.28-3,719.76

Finding the Fourth Proportional to 8,099.04, 12,140.28 and 3,719.76

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Solution

The fourth proportional to 8,099.04, 12,140.28 and 3,719.76 is: 5,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.04 : 12,140.28 = 3,719.76 : x
  2. Step 2: Convert to fraction form
    8,099.04/12,140.28 = 3,719.76/x
  3. Step 3: Cross multiply
    8,099.04x = 12,140.28 × 3,719.76
  4. Step 4: Simplify right side
    8,099.04x = 45,158,927.93
  5. Step 5: Solve for x
    x = 45,158,927.93/8,099.04
  6. Step 6: Final answer
    x = 5,575.84

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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.