Home / 5,144.89-7,717.69-2,547.13

Finding the Fourth Proportional to 5,144.89, 7,717.69 and 2,547.13

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Solution

The fourth proportional to 5,144.89, 7,717.69 and 2,547.13 is: 3,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.89 : 7,717.69 = 2,547.13 : x
  2. Step 2: Convert to fraction form
    5,144.89/7,717.69 = 2,547.13/x
  3. Step 3: Cross multiply
    5,144.89x = 7,717.69 × 2,547.13
  4. Step 4: Simplify right side
    5,144.89x = 19,657,921.14
  5. Step 5: Solve for x
    x = 19,657,921.14/5,144.89
  6. Step 6: Final answer
    x = 3,820.87

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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.