Home / 4,843.40-6,640.34-4,755.92

Finding the Fourth Proportional to 4,843.40, 6,640.34 and 4,755.92

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Solution

The fourth proportional to 4,843.40, 6,640.34 and 4,755.92 is: 6,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.40 : 6,640.34 = 4,755.92 : x
  2. Step 2: Convert to fraction form
    4,843.40/6,640.34 = 4,755.92/x
  3. Step 3: Cross multiply
    4,843.40x = 6,640.34 × 4,755.92
  4. Step 4: Simplify right side
    4,843.40x = 31,580,868.83
  5. Step 5: Solve for x
    x = 31,580,868.83/4,843.40
  6. Step 6: Final answer
    x = 6,520.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.