Home / 4,856.80-7,279.80-2,667.10

Finding the Fourth Proportional to 4,856.80, 7,279.80 and 2,667.10

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Solution

The fourth proportional to 4,856.80, 7,279.80 and 2,667.10 is: 3,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.80 : 7,279.80 = 2,667.10 : x
  2. Step 2: Convert to fraction form
    4,856.80/7,279.80 = 2,667.10/x
  3. Step 3: Cross multiply
    4,856.80x = 7,279.80 × 2,667.10
  4. Step 4: Simplify right side
    4,856.80x = 19,415,954.58
  5. Step 5: Solve for x
    x = 19,415,954.58/4,856.80
  6. Step 6: Final answer
    x = 3,997.68

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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.