Home / 7,788.49-10,747.69-4,251.62

Finding the Fourth Proportional to 7,788.49, 10,747.69 and 4,251.62

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Solution

The fourth proportional to 7,788.49, 10,747.69 and 4,251.62 is: 5,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.49 : 10,747.69 = 4,251.62 : x
  2. Step 2: Convert to fraction form
    7,788.49/10,747.69 = 4,251.62/x
  3. Step 3: Cross multiply
    7,788.49x = 10,747.69 × 4,251.62
  4. Step 4: Simplify right side
    7,788.49x = 45,695,110.00
  5. Step 5: Solve for x
    x = 45,695,110.00/7,788.49
  6. Step 6: Final answer
    x = 5,867.01

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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.