Home / 7,788.11-10,747.53-4,251.33

Finding the Fourth Proportional to 7,788.11, 10,747.53 and 4,251.33

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Solution

The fourth proportional to 7,788.11, 10,747.53 and 4,251.33 is: 5,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.11 : 10,747.53 = 4,251.33 : x
  2. Step 2: Convert to fraction form
    7,788.11/10,747.53 = 4,251.33/x
  3. Step 3: Cross multiply
    7,788.11x = 10,747.53 × 4,251.33
  4. Step 4: Simplify right side
    7,788.11x = 45,691,296.71
  5. Step 5: Solve for x
    x = 45,691,296.71/7,788.11
  6. Step 6: Final answer
    x = 5,866.81

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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.