Home / 4,781.78-6,598.97-2,868.56

Finding the Fourth Proportional to 4,781.78, 6,598.97 and 2,868.56

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Solution

The fourth proportional to 4,781.78, 6,598.97 and 2,868.56 is: 3,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.78 : 6,598.97 = 2,868.56 : x
  2. Step 2: Convert to fraction form
    4,781.78/6,598.97 = 2,868.56/x
  3. Step 3: Cross multiply
    4,781.78x = 6,598.97 × 2,868.56
  4. Step 4: Simplify right side
    4,781.78x = 18,929,566.67
  5. Step 5: Solve for x
    x = 18,929,566.67/4,781.78
  6. Step 6: Final answer
    x = 3,958.68

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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.