Home / 7,220.80-10,832.55-2,289.11

Finding the Fourth Proportional to 7,220.80, 10,832.55 and 2,289.11

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Solution

The fourth proportional to 7,220.80, 10,832.55 and 2,289.11 is: 3,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.80 : 10,832.55 = 2,289.11 : x
  2. Step 2: Convert to fraction form
    7,220.80/10,832.55 = 2,289.11/x
  3. Step 3: Cross multiply
    7,220.80x = 10,832.55 × 2,289.11
  4. Step 4: Simplify right side
    7,220.80x = 24,796,898.53
  5. Step 5: Solve for x
    x = 24,796,898.53/7,220.80
  6. Step 6: Final answer
    x = 3,434.09

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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.