Home / 7,146.64-10,722.48-2,217.52

Finding the Fourth Proportional to 7,146.64, 10,722.48 and 2,217.52

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Solution

The fourth proportional to 7,146.64, 10,722.48 and 2,217.52 is: 3,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.64 : 10,722.48 = 2,217.52 : x
  2. Step 2: Convert to fraction form
    7,146.64/10,722.48 = 2,217.52/x
  3. Step 3: Cross multiply
    7,146.64x = 10,722.48 × 2,217.52
  4. Step 4: Simplify right side
    7,146.64x = 23,777,313.85
  5. Step 5: Solve for x
    x = 23,777,313.85/7,146.64
  6. Step 6: Final answer
    x = 3,327.06

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1.5x scale

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.