Home / 3,917.71-5,403.30-3,444.60

Finding the Fourth Proportional to 3,917.71, 5,403.30 and 3,444.60

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Solution

The fourth proportional to 3,917.71, 5,403.30 and 3,444.60 is: 4,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.71 : 5,403.30 = 3,444.60 : x
  2. Step 2: Convert to fraction form
    3,917.71/5,403.30 = 3,444.60/x
  3. Step 3: Cross multiply
    3,917.71x = 5,403.30 × 3,444.60
  4. Step 4: Simplify right side
    3,917.71x = 18,612,207.18
  5. Step 5: Solve for x
    x = 18,612,207.18/3,917.71
  6. Step 6: Final answer
    x = 4,750.79

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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.