Home / 6,434.14-8,879.54-3,601.78

Finding the Fourth Proportional to 6,434.14, 8,879.54 and 3,601.78

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Solution

The fourth proportional to 6,434.14, 8,879.54 and 3,601.78 is: 4,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.14 : 8,879.54 = 3,601.78 : x
  2. Step 2: Convert to fraction form
    6,434.14/8,879.54 = 3,601.78/x
  3. Step 3: Cross multiply
    6,434.14x = 8,879.54 × 3,601.78
  4. Step 4: Simplify right side
    6,434.14x = 31,982,149.58
  5. Step 5: Solve for x
    x = 31,982,149.58/6,434.14
  6. Step 6: Final answer
    x = 4,970.70

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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.