Home / 5,087.78-7,634.51-2,747.74

Finding the Fourth Proportional to 5,087.78, 7,634.51 and 2,747.74

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Solution

The fourth proportional to 5,087.78, 7,634.51 and 2,747.74 is: 4,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.78 : 7,634.51 = 2,747.74 : x
  2. Step 2: Convert to fraction form
    5,087.78/7,634.51 = 2,747.74/x
  3. Step 3: Cross multiply
    5,087.78x = 7,634.51 × 2,747.74
  4. Step 4: Simplify right side
    5,087.78x = 20,977,596.60
  5. Step 5: Solve for x
    x = 20,977,596.60/5,087.78
  6. Step 6: Final answer
    x = 4,123.13

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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.