Home / 7,485.83-11,226.82-2,219.61

Finding the Fourth Proportional to 7,485.83, 11,226.82 and 2,219.61

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Solution

The fourth proportional to 7,485.83, 11,226.82 and 2,219.61 is: 3,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.83 : 11,226.82 = 2,219.61 : x
  2. Step 2: Convert to fraction form
    7,485.83/11,226.82 = 2,219.61/x
  3. Step 3: Cross multiply
    7,485.83x = 11,226.82 × 2,219.61
  4. Step 4: Simplify right side
    7,485.83x = 24,919,139.42
  5. Step 5: Solve for x
    x = 24,919,139.42/7,485.83
  6. Step 6: Final answer
    x = 3,328.84

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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.