Home / 5,531.05-7,632.81-3,013.15

Finding the Fourth Proportional to 5,531.05, 7,632.81 and 3,013.15

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Solution

The fourth proportional to 5,531.05, 7,632.81 and 3,013.15 is: 4,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.05 : 7,632.81 = 3,013.15 : x
  2. Step 2: Convert to fraction form
    5,531.05/7,632.81 = 3,013.15/x
  3. Step 3: Cross multiply
    5,531.05x = 7,632.81 × 3,013.15
  4. Step 4: Simplify right side
    5,531.05x = 22,998,801.45
  5. Step 5: Solve for x
    x = 22,998,801.45/5,531.05
  6. Step 6: Final answer
    x = 4,158.13

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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.