Home / 5,329.13-7,993.69-1,866.38

Finding the Fourth Proportional to 5,329.13, 7,993.69 and 1,866.38

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Solution

The fourth proportional to 5,329.13, 7,993.69 and 1,866.38 is: 2,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.13 : 7,993.69 = 1,866.38 : x
  2. Step 2: Convert to fraction form
    5,329.13/7,993.69 = 1,866.38/x
  3. Step 3: Cross multiply
    5,329.13x = 7,993.69 × 1,866.38
  4. Step 4: Simplify right side
    5,329.13x = 14,919,218.51
  5. Step 5: Solve for x
    x = 14,919,218.51/5,329.13
  6. Step 6: Final answer
    x = 2,799.56

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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.