Home / 4,102.04-5,665.53-2,987.96

Finding the Fourth Proportional to 4,102.04, 5,665.53 and 2,987.96

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Solution

The fourth proportional to 4,102.04, 5,665.53 and 2,987.96 is: 4,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.04 : 5,665.53 = 2,987.96 : x
  2. Step 2: Convert to fraction form
    4,102.04/5,665.53 = 2,987.96/x
  3. Step 3: Cross multiply
    4,102.04x = 5,665.53 × 2,987.96
  4. Step 4: Simplify right side
    4,102.04x = 16,928,348.69
  5. Step 5: Solve for x
    x = 16,928,348.69/4,102.04
  6. Step 6: Final answer
    x = 4,126.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.