Home / 7,187.30-10,776.65-2,799.62

Finding the Fourth Proportional to 7,187.30, 10,776.65 and 2,799.62

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Solution

The fourth proportional to 7,187.30, 10,776.65 and 2,799.62 is: 4,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.30 : 10,776.65 = 2,799.62 : x
  2. Step 2: Convert to fraction form
    7,187.30/10,776.65 = 2,799.62/x
  3. Step 3: Cross multiply
    7,187.30x = 10,776.65 × 2,799.62
  4. Step 4: Simplify right side
    7,187.30x = 30,170,456.99
  5. Step 5: Solve for x
    x = 30,170,456.99/7,187.30
  6. Step 6: Final answer
    x = 4,197.75

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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.