Home / 7,328.30-10,099.49-5,203.92

Finding the Fourth Proportional to 7,328.30, 10,099.49 and 5,203.92

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Solution

The fourth proportional to 7,328.30, 10,099.49 and 5,203.92 is: 7,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.30 : 10,099.49 = 5,203.92 : x
  2. Step 2: Convert to fraction form
    7,328.30/10,099.49 = 5,203.92/x
  3. Step 3: Cross multiply
    7,328.30x = 10,099.49 × 5,203.92
  4. Step 4: Simplify right side
    7,328.30x = 52,556,921.45
  5. Step 5: Solve for x
    x = 52,556,921.45/7,328.30
  6. Step 6: Final answer
    x = 7,171.78

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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.