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Finding the Fourth Proportional to 5,250.84, 7,245.90 and 3,013.62

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Solution

The fourth proportional to 5,250.84, 7,245.90 and 3,013.62 is: 4,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.84 : 7,245.90 = 3,013.62 : x
  2. Step 2: Convert to fraction form
    5,250.84/7,245.90 = 3,013.62/x
  3. Step 3: Cross multiply
    5,250.84x = 7,245.90 × 3,013.62
  4. Step 4: Simplify right side
    5,250.84x = 21,836,389.16
  5. Step 5: Solve for x
    x = 21,836,389.16/5,250.84
  6. Step 6: Final answer
    x = 4,158.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.