Home / 4,778.42-7,170.46-2,587.10

Finding the Fourth Proportional to 4,778.42, 7,170.46 and 2,587.10

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Solution

The fourth proportional to 4,778.42, 7,170.46 and 2,587.10 is: 3,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.42 : 7,170.46 = 2,587.10 : x
  2. Step 2: Convert to fraction form
    4,778.42/7,170.46 = 2,587.10/x
  3. Step 3: Cross multiply
    4,778.42x = 7,170.46 × 2,587.10
  4. Step 4: Simplify right side
    4,778.42x = 18,550,654.75
  5. Step 5: Solve for x
    x = 18,550,654.75/4,778.42
  6. Step 6: Final answer
    x = 3,882.18

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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.