Home / 7,174.04-10,761.30-1,979.96

Finding the Fourth Proportional to 7,174.04, 10,761.30 and 1,979.96

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Solution

The fourth proportional to 7,174.04, 10,761.30 and 1,979.96 is: 2,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.04 : 10,761.30 = 1,979.96 : x
  2. Step 2: Convert to fraction form
    7,174.04/10,761.30 = 1,979.96/x
  3. Step 3: Cross multiply
    7,174.04x = 10,761.30 × 1,979.96
  4. Step 4: Simplify right side
    7,174.04x = 21,306,943.55
  5. Step 5: Solve for x
    x = 21,306,943.55/7,174.04
  6. Step 6: Final answer
    x = 2,970.01

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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.