Home / 4,275.89-5,906.39-3,439.74

Finding the Fourth Proportional to 4,275.89, 5,906.39 and 3,439.74

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Solution

The fourth proportional to 4,275.89, 5,906.39 and 3,439.74 is: 4,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.89 : 5,906.39 = 3,439.74 : x
  2. Step 2: Convert to fraction form
    4,275.89/5,906.39 = 3,439.74/x
  3. Step 3: Cross multiply
    4,275.89x = 5,906.39 × 3,439.74
  4. Step 4: Simplify right side
    4,275.89x = 20,316,463.30
  5. Step 5: Solve for x
    x = 20,316,463.30/4,275.89
  6. Step 6: Final answer
    x = 4,751.40

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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.