Home / 4,255.93-5,867.40-3,178.23

Finding the Fourth Proportional to 4,255.93, 5,867.40 and 3,178.23

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Solution

The fourth proportional to 4,255.93, 5,867.40 and 3,178.23 is: 4,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.93 : 5,867.40 = 3,178.23 : x
  2. Step 2: Convert to fraction form
    4,255.93/5,867.40 = 3,178.23/x
  3. Step 3: Cross multiply
    4,255.93x = 5,867.40 × 3,178.23
  4. Step 4: Simplify right side
    4,255.93x = 18,647,946.70
  5. Step 5: Solve for x
    x = 18,647,946.70/4,255.93
  6. Step 6: Final answer
    x = 4,381.64

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Double scale
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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.