Home / 4,226.20-6,339.30-1,106.20

Finding the Fourth Proportional to 4,226.20, 6,339.30 and 1,106.20

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Solution

The fourth proportional to 4,226.20, 6,339.30 and 1,106.20 is: 1,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.20 : 6,339.30 = 1,106.20 : x
  2. Step 2: Convert to fraction form
    4,226.20/6,339.30 = 1,106.20/x
  3. Step 3: Cross multiply
    4,226.20x = 6,339.30 × 1,106.20
  4. Step 4: Simplify right side
    4,226.20x = 7,012,533.66
  5. Step 5: Solve for x
    x = 7,012,533.66/4,226.20
  6. Step 6: Final answer
    x = 1,659.30

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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.