Home / 7,221.89-10,833.75-2,289.77

Finding the Fourth Proportional to 7,221.89, 10,833.75 and 2,289.77

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Solution

The fourth proportional to 7,221.89, 10,833.75 and 2,289.77 is: 3,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.89 : 10,833.75 = 2,289.77 : x
  2. Step 2: Convert to fraction form
    7,221.89/10,833.75 = 2,289.77/x
  3. Step 3: Cross multiply
    7,221.89x = 10,833.75 × 2,289.77
  4. Step 4: Simplify right side
    7,221.89x = 24,806,782.20
  5. Step 5: Solve for x
    x = 24,806,782.20/7,221.89
  6. Step 6: Final answer
    x = 3,434.94

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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.