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Finding the Fourth Proportional to 5,028.54, 7,554.68 and 4,748.82

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Solution

The fourth proportional to 5,028.54, 7,554.68 and 4,748.82 is: 7,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.54 : 7,554.68 = 4,748.82 : x
  2. Step 2: Convert to fraction form
    5,028.54/7,554.68 = 4,748.82/x
  3. Step 3: Cross multiply
    5,028.54x = 7,554.68 × 4,748.82
  4. Step 4: Simplify right side
    5,028.54x = 35,875,815.48
  5. Step 5: Solve for x
    x = 35,875,815.48/5,028.54
  6. Step 6: Final answer
    x = 7,134.44

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1.5x scale

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.