Home / 7,318.61-10,100.15-4,132.44

Finding the Fourth Proportional to 7,318.61, 10,100.15 and 4,132.44

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Solution

The fourth proportional to 7,318.61, 10,100.15 and 4,132.44 is: 5,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.61 : 10,100.15 = 4,132.44 : x
  2. Step 2: Convert to fraction form
    7,318.61/10,100.15 = 4,132.44/x
  3. Step 3: Cross multiply
    7,318.61x = 10,100.15 × 4,132.44
  4. Step 4: Simplify right side
    7,318.61x = 41,738,243.20
  5. Step 5: Solve for x
    x = 41,738,243.20/7,318.61
  6. Step 6: Final answer
    x = 5,703.03

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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.