Home / 7,292.80-10,938.61-2,027.90

Finding the Fourth Proportional to 7,292.80, 10,938.61 and 2,027.90

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Solution

The fourth proportional to 7,292.80, 10,938.61 and 2,027.90 is: 3,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.80 : 10,938.61 = 2,027.90 : x
  2. Step 2: Convert to fraction form
    7,292.80/10,938.61 = 2,027.90/x
  3. Step 3: Cross multiply
    7,292.80x = 10,938.61 × 2,027.90
  4. Step 4: Simplify right side
    7,292.80x = 22,182,407.22
  5. Step 5: Solve for x
    x = 22,182,407.22/7,292.80
  6. Step 6: Final answer
    x = 3,041.69

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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.