Home / 7,147.64-10,723.98-2,218.52

Finding the Fourth Proportional to 7,147.64, 10,723.98 and 2,218.52

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Solution

The fourth proportional to 7,147.64, 10,723.98 and 2,218.52 is: 3,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.64 : 10,723.98 = 2,218.52 : x
  2. Step 2: Convert to fraction form
    7,147.64/10,723.98 = 2,218.52/x
  3. Step 3: Cross multiply
    7,147.64x = 10,723.98 × 2,218.52
  4. Step 4: Simplify right side
    7,147.64x = 23,791,364.11
  5. Step 5: Solve for x
    x = 23,791,364.11/7,147.64
  6. Step 6: Final answer
    x = 3,328.56

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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.