Home / 7,047.06-10,568.50-2,115.38

Finding the Fourth Proportional to 7,047.06, 10,568.50 and 2,115.38

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Solution

The fourth proportional to 7,047.06, 10,568.50 and 2,115.38 is: 3,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.06 : 10,568.50 = 2,115.38 : x
  2. Step 2: Convert to fraction form
    7,047.06/10,568.50 = 2,115.38/x
  3. Step 3: Cross multiply
    7,047.06x = 10,568.50 × 2,115.38
  4. Step 4: Simplify right side
    7,047.06x = 22,356,393.53
  5. Step 5: Solve for x
    x = 22,356,393.53/7,047.06
  6. Step 6: Final answer
    x = 3,172.44

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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.