Home / 6,189.59-8,540.08-3,671.58

Finding the Fourth Proportional to 6,189.59, 8,540.08 and 3,671.58

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Solution

The fourth proportional to 6,189.59, 8,540.08 and 3,671.58 is: 5,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.59 : 8,540.08 = 3,671.58 : x
  2. Step 2: Convert to fraction form
    6,189.59/8,540.08 = 3,671.58/x
  3. Step 3: Cross multiply
    6,189.59x = 8,540.08 × 3,671.58
  4. Step 4: Simplify right side
    6,189.59x = 31,355,582.39
  5. Step 5: Solve for x
    x = 31,355,582.39/6,189.59
  6. Step 6: Final answer
    x = 5,065.86

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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.