Home / 4,987.78-6,883.18-3,793.84

Finding the Fourth Proportional to 4,987.78, 6,883.18 and 3,793.84

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Solution

The fourth proportional to 4,987.78, 6,883.18 and 3,793.84 is: 5,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.78 : 6,883.18 = 3,793.84 : x
  2. Step 2: Convert to fraction form
    4,987.78/6,883.18 = 3,793.84/x
  3. Step 3: Cross multiply
    4,987.78x = 6,883.18 × 3,793.84
  4. Step 4: Simplify right side
    4,987.78x = 26,113,656.92
  5. Step 5: Solve for x
    x = 26,113,656.92/4,987.78
  6. Step 6: Final answer
    x = 5,235.53

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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.