Home / 7,178.50-10,765.02-2,795.38

Finding the Fourth Proportional to 7,178.50, 10,765.02 and 2,795.38

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Solution

The fourth proportional to 7,178.50, 10,765.02 and 2,795.38 is: 4,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.50 : 10,765.02 = 2,795.38 : x
  2. Step 2: Convert to fraction form
    7,178.50/10,765.02 = 2,795.38/x
  3. Step 3: Cross multiply
    7,178.50x = 10,765.02 × 2,795.38
  4. Step 4: Simplify right side
    7,178.50x = 30,092,321.61
  5. Step 5: Solve for x
    x = 30,092,321.61/7,178.50
  6. Step 6: Final answer
    x = 4,192.01

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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.