Home / 4,065.04-6,091.20-3,142.87

Finding the Fourth Proportional to 4,065.04, 6,091.20 and 3,142.87

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Solution

The fourth proportional to 4,065.04, 6,091.20 and 3,142.87 is: 4,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.04 : 6,091.20 = 3,142.87 : x
  2. Step 2: Convert to fraction form
    4,065.04/6,091.20 = 3,142.87/x
  3. Step 3: Cross multiply
    4,065.04x = 6,091.20 × 3,142.87
  4. Step 4: Simplify right side
    4,065.04x = 19,143,849.74
  5. Step 5: Solve for x
    x = 19,143,849.74/4,065.04
  6. Step 6: Final answer
    x = 4,709.39

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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.