Home / 4,768.78-7,155.23-2,579.06

Finding the Fourth Proportional to 4,768.78, 7,155.23 and 2,579.06

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Solution

The fourth proportional to 4,768.78, 7,155.23 and 2,579.06 is: 3,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.78 : 7,155.23 = 2,579.06 : x
  2. Step 2: Convert to fraction form
    4,768.78/7,155.23 = 2,579.06/x
  3. Step 3: Cross multiply
    4,768.78x = 7,155.23 × 2,579.06
  4. Step 4: Simplify right side
    4,768.78x = 18,453,767.48
  5. Step 5: Solve for x
    x = 18,453,767.48/4,768.78
  6. Step 6: Final answer
    x = 3,869.70

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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.