Home / 7,799.92-11,699.50-2,869.20

Finding the Fourth Proportional to 7,799.92, 11,699.50 and 2,869.20

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Solution

The fourth proportional to 7,799.92, 11,699.50 and 2,869.20 is: 4,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.92 : 11,699.50 = 2,869.20 : x
  2. Step 2: Convert to fraction form
    7,799.92/11,699.50 = 2,869.20/x
  3. Step 3: Cross multiply
    7,799.92x = 11,699.50 × 2,869.20
  4. Step 4: Simplify right side
    7,799.92x = 33,568,205.40
  5. Step 5: Solve for x
    x = 33,568,205.40/7,799.92
  6. Step 6: Final answer
    x = 4,303.66

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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.