Home / 5,531.81-7,633.80-3,013.88

Finding the Fourth Proportional to 5,531.81, 7,633.80 and 3,013.88

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Solution

The fourth proportional to 5,531.81, 7,633.80 and 3,013.88 is: 4,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.81 : 7,633.80 = 3,013.88 : x
  2. Step 2: Convert to fraction form
    5,531.81/7,633.80 = 3,013.88/x
  3. Step 3: Cross multiply
    5,531.81x = 7,633.80 × 3,013.88
  4. Step 4: Simplify right side
    5,531.81x = 23,007,318.98
  5. Step 5: Solve for x
    x = 23,007,318.98/5,531.81
  6. Step 6: Final answer
    x = 4,159.10

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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.