Home / 6,219.45-8,581.95-3,860.73

Finding the Fourth Proportional to 6,219.45, 8,581.95 and 3,860.73

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Solution

The fourth proportional to 6,219.45, 8,581.95 and 3,860.73 is: 5,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.45 : 8,581.95 = 3,860.73 : x
  2. Step 2: Convert to fraction form
    6,219.45/8,581.95 = 3,860.73/x
  3. Step 3: Cross multiply
    6,219.45x = 8,581.95 × 3,860.73
  4. Step 4: Simplify right side
    6,219.45x = 33,132,591.82
  5. Step 5: Solve for x
    x = 33,132,591.82/6,219.45
  6. Step 6: Final answer
    x = 5,327.25

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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.