Home / 7,788.16-10,747.51-4,251.39

Finding the Fourth Proportional to 7,788.16, 10,747.51 and 4,251.39

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Solution

The fourth proportional to 7,788.16, 10,747.51 and 4,251.39 is: 5,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.16 : 10,747.51 = 4,251.39 : x
  2. Step 2: Convert to fraction form
    7,788.16/10,747.51 = 4,251.39/x
  3. Step 3: Cross multiply
    7,788.16x = 10,747.51 × 4,251.39
  4. Step 4: Simplify right side
    7,788.16x = 45,691,886.21
  5. Step 5: Solve for x
    x = 45,691,886.21/7,788.16
  6. Step 6: Final answer
    x = 5,866.84

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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.