Home / 4,630.28-6,388.76-2,740.92

Finding the Fourth Proportional to 4,630.28, 6,388.76 and 2,740.92

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Solution

The fourth proportional to 4,630.28, 6,388.76 and 2,740.92 is: 3,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.28 : 6,388.76 = 2,740.92 : x
  2. Step 2: Convert to fraction form
    4,630.28/6,388.76 = 2,740.92/x
  3. Step 3: Cross multiply
    4,630.28x = 6,388.76 × 2,740.92
  4. Step 4: Simplify right side
    4,630.28x = 17,511,066.35
  5. Step 5: Solve for x
    x = 17,511,066.35/4,630.28
  6. Step 6: Final answer
    x = 3,781.86

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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.