Home / 7,222.52-10,833.76-2,720.41

Finding the Fourth Proportional to 7,222.52, 10,833.76 and 2,720.41

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Solution

The fourth proportional to 7,222.52, 10,833.76 and 2,720.41 is: 4,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.52 : 10,833.76 = 2,720.41 : x
  2. Step 2: Convert to fraction form
    7,222.52/10,833.76 = 2,720.41/x
  3. Step 3: Cross multiply
    7,222.52x = 10,833.76 × 2,720.41
  4. Step 4: Simplify right side
    7,222.52x = 29,472,325.36
  5. Step 5: Solve for x
    x = 29,472,325.36/7,222.52
  6. Step 6: Final answer
    x = 4,080.62

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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.