Home / 5,221.45-7,832.57-1,523.71

Finding the Fourth Proportional to 5,221.45, 7,832.57 and 1,523.71

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Solution

The fourth proportional to 5,221.45, 7,832.57 and 1,523.71 is: 2,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.45 : 7,832.57 = 1,523.71 : x
  2. Step 2: Convert to fraction form
    5,221.45/7,832.57 = 1,523.71/x
  3. Step 3: Cross multiply
    5,221.45x = 7,832.57 × 1,523.71
  4. Step 4: Simplify right side
    5,221.45x = 11,934,565.23
  5. Step 5: Solve for x
    x = 11,934,565.23/5,221.45
  6. Step 6: Final answer
    x = 2,285.68

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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.