Home / 5,122.24-7,683.64-1,659.76

Finding the Fourth Proportional to 5,122.24, 7,683.64 and 1,659.76

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Solution

The fourth proportional to 5,122.24, 7,683.64 and 1,659.76 is: 2,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.24 : 7,683.64 = 1,659.76 : x
  2. Step 2: Convert to fraction form
    5,122.24/7,683.64 = 1,659.76/x
  3. Step 3: Cross multiply
    5,122.24x = 7,683.64 × 1,659.76
  4. Step 4: Simplify right side
    5,122.24x = 12,752,998.33
  5. Step 5: Solve for x
    x = 12,752,998.33/5,122.24
  6. Step 6: Final answer
    x = 2,489.73

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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.