Home / 4,274.28-5,902.50-3,145.32

Finding the Fourth Proportional to 4,274.28, 5,902.50 and 3,145.32

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Solution

The fourth proportional to 4,274.28, 5,902.50 and 3,145.32 is: 4,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.28 : 5,902.50 = 3,145.32 : x
  2. Step 2: Convert to fraction form
    4,274.28/5,902.50 = 3,145.32/x
  3. Step 3: Cross multiply
    4,274.28x = 5,902.50 × 3,145.32
  4. Step 4: Simplify right side
    4,274.28x = 18,565,251.30
  5. Step 5: Solve for x
    x = 18,565,251.30/4,274.28
  6. Step 6: Final answer
    x = 4,343.48

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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.