Home / 7,220.86-10,829.40-2,025.52

Finding the Fourth Proportional to 7,220.86, 10,829.40 and 2,025.52

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Solution

The fourth proportional to 7,220.86, 10,829.40 and 2,025.52 is: 3,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.86 : 10,829.40 = 2,025.52 : x
  2. Step 2: Convert to fraction form
    7,220.86/10,829.40 = 2,025.52/x
  3. Step 3: Cross multiply
    7,220.86x = 10,829.40 × 2,025.52
  4. Step 4: Simplify right side
    7,220.86x = 21,935,166.29
  5. Step 5: Solve for x
    x = 21,935,166.29/7,220.86
  6. Step 6: Final answer
    x = 3,037.75

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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.