Home / 5,240.22-7,230.66-3,917.10

Finding the Fourth Proportional to 5,240.22, 7,230.66 and 3,917.10

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Solution

The fourth proportional to 5,240.22, 7,230.66 and 3,917.10 is: 5,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.22 : 7,230.66 = 3,917.10 : x
  2. Step 2: Convert to fraction form
    5,240.22/7,230.66 = 3,917.10/x
  3. Step 3: Cross multiply
    5,240.22x = 7,230.66 × 3,917.10
  4. Step 4: Simplify right side
    5,240.22x = 28,323,218.29
  5. Step 5: Solve for x
    x = 28,323,218.29/5,240.22
  6. Step 6: Final answer
    x = 5,404.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.