Home / 7,219.96-10,826.61-3,000.18

Finding the Fourth Proportional to 7,219.96, 10,826.61 and 3,000.18

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Solution

The fourth proportional to 7,219.96, 10,826.61 and 3,000.18 is: 4,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.96 : 10,826.61 = 3,000.18 : x
  2. Step 2: Convert to fraction form
    7,219.96/10,826.61 = 3,000.18/x
  3. Step 3: Cross multiply
    7,219.96x = 10,826.61 × 3,000.18
  4. Step 4: Simplify right side
    7,219.96x = 32,481,778.79
  5. Step 5: Solve for x
    x = 32,481,778.79/7,219.96
  6. Step 6: Final answer
    x = 4,498.89

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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.