Home / 7,788.23-10,747.35-4,251.38

Finding the Fourth Proportional to 7,788.23, 10,747.35 and 4,251.38

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Solution

The fourth proportional to 7,788.23, 10,747.35 and 4,251.38 is: 5,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.23 : 10,747.35 = 4,251.38 : x
  2. Step 2: Convert to fraction form
    7,788.23/10,747.35 = 4,251.38/x
  3. Step 3: Cross multiply
    7,788.23x = 10,747.35 × 4,251.38
  4. Step 4: Simplify right side
    7,788.23x = 45,691,068.84
  5. Step 5: Solve for x
    x = 45,691,068.84/7,788.23
  6. Step 6: Final answer
    x = 5,866.68

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Double scale
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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.