Home / 7,200.89-10,801.42-2,006.77

Finding the Fourth Proportional to 7,200.89, 10,801.42 and 2,006.77

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Solution

The fourth proportional to 7,200.89, 10,801.42 and 2,006.77 is: 3,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.89 : 10,801.42 = 2,006.77 : x
  2. Step 2: Convert to fraction form
    7,200.89/10,801.42 = 2,006.77/x
  3. Step 3: Cross multiply
    7,200.89x = 10,801.42 × 2,006.77
  4. Step 4: Simplify right side
    7,200.89x = 21,675,901.57
  5. Step 5: Solve for x
    x = 21,675,901.57/7,200.89
  6. Step 6: Final answer
    x = 3,010.17

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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.