Home / 7,741.76-11,613.18-2,547.68

Finding the Fourth Proportional to 7,741.76, 11,613.18 and 2,547.68

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Solution

The fourth proportional to 7,741.76, 11,613.18 and 2,547.68 is: 3,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.76 : 11,613.18 = 2,547.68 : x
  2. Step 2: Convert to fraction form
    7,741.76/11,613.18 = 2,547.68/x
  3. Step 3: Cross multiply
    7,741.76x = 11,613.18 × 2,547.68
  4. Step 4: Simplify right side
    7,741.76x = 29,586,666.42
  5. Step 5: Solve for x
    x = 29,586,666.42/7,741.76
  6. Step 6: Final answer
    x = 3,821.70

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