Home / 5,153.46-7,731.54-2,231.08

Finding the Fourth Proportional to 5,153.46, 7,731.54 and 2,231.08

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Solution

The fourth proportional to 5,153.46, 7,731.54 and 2,231.08 is: 3,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.46 : 7,731.54 = 2,231.08 : x
  2. Step 2: Convert to fraction form
    5,153.46/7,731.54 = 2,231.08/x
  3. Step 3: Cross multiply
    5,153.46x = 7,731.54 × 2,231.08
  4. Step 4: Simplify right side
    5,153.46x = 17,249,684.26
  5. Step 5: Solve for x
    x = 17,249,684.26/5,153.46
  6. Step 6: Final answer
    x = 3,347.20

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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.