Home / 7,003.74-10,507.43-2,621.53

Finding the Fourth Proportional to 7,003.74, 10,507.43 and 2,621.53

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Solution

The fourth proportional to 7,003.74, 10,507.43 and 2,621.53 is: 3,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.74 : 10,507.43 = 2,621.53 : x
  2. Step 2: Convert to fraction form
    7,003.74/10,507.43 = 2,621.53/x
  3. Step 3: Cross multiply
    7,003.74x = 10,507.43 × 2,621.53
  4. Step 4: Simplify right side
    7,003.74x = 27,545,542.97
  5. Step 5: Solve for x
    x = 27,545,542.97/7,003.74
  6. Step 6: Final answer
    x = 3,932.98

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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.