Home / 5,144.84-7,721.58-4,125.32

Finding the Fourth Proportional to 5,144.84, 7,721.58 and 4,125.32

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Solution

The fourth proportional to 5,144.84, 7,721.58 and 4,125.32 is: 6,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.84 : 7,721.58 = 4,125.32 : x
  2. Step 2: Convert to fraction form
    5,144.84/7,721.58 = 4,125.32/x
  3. Step 3: Cross multiply
    5,144.84x = 7,721.58 × 4,125.32
  4. Step 4: Simplify right side
    5,144.84x = 31,853,988.41
  5. Step 5: Solve for x
    x = 31,853,988.41/5,144.84
  6. Step 6: Final answer
    x = 6,191.44

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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.