Home / 4,283.40-5,908.86-3,102.42

Finding the Fourth Proportional to 4,283.40, 5,908.86 and 3,102.42

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Solution

The fourth proportional to 4,283.40, 5,908.86 and 3,102.42 is: 4,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.40 : 5,908.86 = 3,102.42 : x
  2. Step 2: Convert to fraction form
    4,283.40/5,908.86 = 3,102.42/x
  3. Step 3: Cross multiply
    4,283.40x = 5,908.86 × 3,102.42
  4. Step 4: Simplify right side
    4,283.40x = 18,331,765.44
  5. Step 5: Solve for x
    x = 18,331,765.44/4,283.40
  6. Step 6: Final answer
    x = 4,279.72

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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.