Home / 7,125.66-10,687.56-2,964.89

Finding the Fourth Proportional to 7,125.66, 10,687.56 and 2,964.89

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Solution

The fourth proportional to 7,125.66, 10,687.56 and 2,964.89 is: 4,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.66 : 10,687.56 = 2,964.89 : x
  2. Step 2: Convert to fraction form
    7,125.66/10,687.56 = 2,964.89/x
  3. Step 3: Cross multiply
    7,125.66x = 10,687.56 × 2,964.89
  4. Step 4: Simplify right side
    7,125.66x = 31,687,386.33
  5. Step 5: Solve for x
    x = 31,687,386.33/7,125.66
  6. Step 6: Final answer
    x = 4,446.94

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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.