Home / 4,845.70-7,279.35-4,648.90

Finding the Fourth Proportional to 4,845.70, 7,279.35 and 4,648.90

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Solution

The fourth proportional to 4,845.70, 7,279.35 and 4,648.90 is: 6,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.70 : 7,279.35 = 4,648.90 : x
  2. Step 2: Convert to fraction form
    4,845.70/7,279.35 = 4,648.90/x
  3. Step 3: Cross multiply
    4,845.70x = 7,279.35 × 4,648.90
  4. Step 4: Simplify right side
    4,845.70x = 33,840,970.22
  5. Step 5: Solve for x
    x = 33,840,970.22/4,845.70
  6. Step 6: Final answer
    x = 6,983.71

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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.