Home / 7,226.20-10,842.90-4,108.60

Finding the Fourth Proportional to 7,226.20, 10,842.90 and 4,108.60

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Solution

The fourth proportional to 7,226.20, 10,842.90 and 4,108.60 is: 6,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.20 : 10,842.90 = 4,108.60 : x
  2. Step 2: Convert to fraction form
    7,226.20/10,842.90 = 4,108.60/x
  3. Step 3: Cross multiply
    7,226.20x = 10,842.90 × 4,108.60
  4. Step 4: Simplify right side
    7,226.20x = 44,549,138.94
  5. Step 5: Solve for x
    x = 44,549,138.94/7,226.20
  6. Step 6: Final answer
    x = 6,164.95

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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.