Home / 5,265.65-7,901.22-2,147.96

Finding the Fourth Proportional to 5,265.65, 7,901.22 and 2,147.96

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Solution

The fourth proportional to 5,265.65, 7,901.22 and 2,147.96 is: 3,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.65 : 7,901.22 = 2,147.96 : x
  2. Step 2: Convert to fraction form
    5,265.65/7,901.22 = 2,147.96/x
  3. Step 3: Cross multiply
    5,265.65x = 7,901.22 × 2,147.96
  4. Step 4: Simplify right side
    5,265.65x = 16,971,504.51
  5. Step 5: Solve for x
    x = 16,971,504.51/5,265.65
  6. Step 6: Final answer
    x = 3,223.06

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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.