Home / 4,748.08-7,119.38-2,279.54

Finding the Fourth Proportional to 4,748.08, 7,119.38 and 2,279.54

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Solution

The fourth proportional to 4,748.08, 7,119.38 and 2,279.54 is: 3,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.08 : 7,119.38 = 2,279.54 : x
  2. Step 2: Convert to fraction form
    4,748.08/7,119.38 = 2,279.54/x
  3. Step 3: Cross multiply
    4,748.08x = 7,119.38 × 2,279.54
  4. Step 4: Simplify right side
    4,748.08x = 16,228,911.49
  5. Step 5: Solve for x
    x = 16,228,911.49/4,748.08
  6. Step 6: Final answer
    x = 3,417.99

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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.