Home / 4,986.60-6,883.97-3,219.18

Finding the Fourth Proportional to 4,986.60, 6,883.97 and 3,219.18

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Solution

The fourth proportional to 4,986.60, 6,883.97 and 3,219.18 is: 4,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.60 : 6,883.97 = 3,219.18 : x
  2. Step 2: Convert to fraction form
    4,986.60/6,883.97 = 3,219.18/x
  3. Step 3: Cross multiply
    4,986.60x = 6,883.97 × 3,219.18
  4. Step 4: Simplify right side
    4,986.60x = 22,160,722.45
  5. Step 5: Solve for x
    x = 22,160,722.45/4,986.60
  6. Step 6: Final answer
    x = 4,444.05

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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.