Home / 7,757.30-11,637.77-2,210.72

Finding the Fourth Proportional to 7,757.30, 11,637.77 and 2,210.72

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Solution

The fourth proportional to 7,757.30, 11,637.77 and 2,210.72 is: 3,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.30 : 11,637.77 = 2,210.72 : x
  2. Step 2: Convert to fraction form
    7,757.30/11,637.77 = 2,210.72/x
  3. Step 3: Cross multiply
    7,757.30x = 11,637.77 × 2,210.72
  4. Step 4: Simplify right side
    7,757.30x = 25,727,781.65
  5. Step 5: Solve for x
    x = 25,727,781.65/7,757.30
  6. Step 6: Final answer
    x = 3,316.59

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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.