Home / 7,741.41-11,613.80-2,547.09

Finding the Fourth Proportional to 7,741.41, 11,613.80 and 2,547.09

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Solution

The fourth proportional to 7,741.41, 11,613.80 and 2,547.09 is: 3,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.41 : 11,613.80 = 2,547.09 : x
  2. Step 2: Convert to fraction form
    7,741.41/11,613.80 = 2,547.09/x
  3. Step 3: Cross multiply
    7,741.41x = 11,613.80 × 2,547.09
  4. Step 4: Simplify right side
    7,741.41x = 29,581,393.84
  5. Step 5: Solve for x
    x = 29,581,393.84/7,741.41
  6. Step 6: Final answer
    x = 3,821.19

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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.