Home / 4,478.25-6,717.38-1,742.25

Finding the Fourth Proportional to 4,478.25, 6,717.38 and 1,742.25

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Solution

The fourth proportional to 4,478.25, 6,717.38 and 1,742.25 is: 2,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.25 : 6,717.38 = 1,742.25 : x
  2. Step 2: Convert to fraction form
    4,478.25/6,717.38 = 1,742.25/x
  3. Step 3: Cross multiply
    4,478.25x = 6,717.38 × 1,742.25
  4. Step 4: Simplify right side
    4,478.25x = 11,703,346.59
  5. Step 5: Solve for x
    x = 11,703,346.59/4,478.25
  6. Step 6: Final answer
    x = 2,613.38

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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.