Home / 4,529.78-6,251.55-2,955.14

Finding the Fourth Proportional to 4,529.78, 6,251.55 and 2,955.14

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Solution

The fourth proportional to 4,529.78, 6,251.55 and 2,955.14 is: 4,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529.78 : 6,251.55 = 2,955.14 : x
  2. Step 2: Convert to fraction form
    4,529.78/6,251.55 = 2,955.14/x
  3. Step 3: Cross multiply
    4,529.78x = 6,251.55 × 2,955.14
  4. Step 4: Simplify right side
    4,529.78x = 18,474,205.47
  5. Step 5: Solve for x
    x = 18,474,205.47/4,529.78
  6. Step 6: Final answer
    x = 4,078.39

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Half scale
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Double scale
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1.5x scale

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.