Home / 4,102.11-6,152.81-2,127.65

Finding the Fourth Proportional to 4,102.11, 6,152.81 and 2,127.65

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Solution

The fourth proportional to 4,102.11, 6,152.81 and 2,127.65 is: 3,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.11 : 6,152.81 = 2,127.65 : x
  2. Step 2: Convert to fraction form
    4,102.11/6,152.81 = 2,127.65/x
  3. Step 3: Cross multiply
    4,102.11x = 6,152.81 × 2,127.65
  4. Step 4: Simplify right side
    4,102.11x = 13,090,984.79
  5. Step 5: Solve for x
    x = 13,090,984.79/4,102.11
  6. Step 6: Final answer
    x = 3,191.28

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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.