Home / 4,260.28-6,388.83-1,486.18

Finding the Fourth Proportional to 4,260.28, 6,388.83 and 1,486.18

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Solution

The fourth proportional to 4,260.28, 6,388.83 and 1,486.18 is: 2,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.28 : 6,388.83 = 1,486.18 : x
  2. Step 2: Convert to fraction form
    4,260.28/6,388.83 = 1,486.18/x
  3. Step 3: Cross multiply
    4,260.28x = 6,388.83 × 1,486.18
  4. Step 4: Simplify right side
    4,260.28x = 9,494,951.37
  5. Step 5: Solve for x
    x = 9,494,951.37/4,260.28
  6. Step 6: Final answer
    x = 2,228.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.