Home / 6,441.40-8,886.51-4,202.49

Finding the Fourth Proportional to 6,441.40, 8,886.51 and 4,202.49

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Solution

The fourth proportional to 6,441.40, 8,886.51 and 4,202.49 is: 5,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.40 : 8,886.51 = 4,202.49 : x
  2. Step 2: Convert to fraction form
    6,441.40/8,886.51 = 4,202.49/x
  3. Step 3: Cross multiply
    6,441.40x = 8,886.51 × 4,202.49
  4. Step 4: Simplify right side
    6,441.40x = 37,345,469.41
  5. Step 5: Solve for x
    x = 37,345,469.41/6,441.40
  6. Step 6: Final answer
    x = 5,797.73

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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.