Home / 7,172.65-10,756.56-2,729.26

Finding the Fourth Proportional to 7,172.65, 10,756.56 and 2,729.26

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Solution

The fourth proportional to 7,172.65, 10,756.56 and 2,729.26 is: 4,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.65 : 10,756.56 = 2,729.26 : x
  2. Step 2: Convert to fraction form
    7,172.65/10,756.56 = 2,729.26/x
  3. Step 3: Cross multiply
    7,172.65x = 10,756.56 × 2,729.26
  4. Step 4: Simplify right side
    7,172.65x = 29,357,475.84
  5. Step 5: Solve for x
    x = 29,357,475.84/7,172.65
  6. Step 6: Final answer
    x = 4,092.97

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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.