Home / 8,106.17-12,155.08-3,719.84

Finding the Fourth Proportional to 8,106.17, 12,155.08 and 3,719.84

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Solution

The fourth proportional to 8,106.17, 12,155.08 and 3,719.84 is: 5,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.17 : 12,155.08 = 3,719.84 : x
  2. Step 2: Convert to fraction form
    8,106.17/12,155.08 = 3,719.84/x
  3. Step 3: Cross multiply
    8,106.17x = 12,155.08 × 3,719.84
  4. Step 4: Simplify right side
    8,106.17x = 45,214,952.79
  5. Step 5: Solve for x
    x = 45,214,952.79/8,106.17
  6. Step 6: Final answer
    x = 5,577.84

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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.