Home / 7,342.65-10,132.94-3,985.50

Finding the Fourth Proportional to 7,342.65, 10,132.94 and 3,985.50

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Solution

The fourth proportional to 7,342.65, 10,132.94 and 3,985.50 is: 5,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.65 : 10,132.94 = 3,985.50 : x
  2. Step 2: Convert to fraction form
    7,342.65/10,132.94 = 3,985.50/x
  3. Step 3: Cross multiply
    7,342.65x = 10,132.94 × 3,985.50
  4. Step 4: Simplify right side
    7,342.65x = 40,384,832.37
  5. Step 5: Solve for x
    x = 40,384,832.37/7,342.65
  6. Step 6: Final answer
    x = 5,500.04

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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.