Home / 5,260.97-7,891.51-1,365.38

Finding the Fourth Proportional to 5,260.97, 7,891.51 and 1,365.38

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Solution

The fourth proportional to 5,260.97, 7,891.51 and 1,365.38 is: 2,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.97 : 7,891.51 = 1,365.38 : x
  2. Step 2: Convert to fraction form
    5,260.97/7,891.51 = 1,365.38/x
  3. Step 3: Cross multiply
    5,260.97x = 7,891.51 × 1,365.38
  4. Step 4: Simplify right side
    5,260.97x = 10,774,899.21
  5. Step 5: Solve for x
    x = 10,774,899.21/5,260.97
  6. Step 6: Final answer
    x = 2,048.08

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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.