Home / 7,098.80-10,650.26-2,938.04

Finding the Fourth Proportional to 7,098.80, 10,650.26 and 2,938.04

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Solution

The fourth proportional to 7,098.80, 10,650.26 and 2,938.04 is: 4,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.80 : 10,650.26 = 2,938.04 : x
  2. Step 2: Convert to fraction form
    7,098.80/10,650.26 = 2,938.04/x
  3. Step 3: Cross multiply
    7,098.80x = 10,650.26 × 2,938.04
  4. Step 4: Simplify right side
    7,098.80x = 31,290,875.20
  5. Step 5: Solve for x
    x = 31,290,875.20/7,098.80
  6. Step 6: Final answer
    x = 4,407.91

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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.