Home / 5,153.41-7,731.08-2,342.45

Finding the Fourth Proportional to 5,153.41, 7,731.08 and 2,342.45

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Solution

The fourth proportional to 5,153.41, 7,731.08 and 2,342.45 is: 3,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.41 : 7,731.08 = 2,342.45 : x
  2. Step 2: Convert to fraction form
    5,153.41/7,731.08 = 2,342.45/x
  3. Step 3: Cross multiply
    5,153.41x = 7,731.08 × 2,342.45
  4. Step 4: Simplify right side
    5,153.41x = 18,109,668.35
  5. Step 5: Solve for x
    x = 18,109,668.35/5,153.41
  6. Step 6: Final answer
    x = 3,514.11

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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.