Home / 6,865.80-10,301.40-2,705.10

Finding the Fourth Proportional to 6,865.80, 10,301.40 and 2,705.10

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Solution

The fourth proportional to 6,865.80, 10,301.40 and 2,705.10 is: 4,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.80 : 10,301.40 = 2,705.10 : x
  2. Step 2: Convert to fraction form
    6,865.80/10,301.40 = 2,705.10/x
  3. Step 3: Cross multiply
    6,865.80x = 10,301.40 × 2,705.10
  4. Step 4: Simplify right side
    6,865.80x = 27,866,317.14
  5. Step 5: Solve for x
    x = 27,866,317.14/6,865.80
  6. Step 6: Final answer
    x = 4,058.71

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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.