Home / 7,262.88-10,021.22-4,277.62

Finding the Fourth Proportional to 7,262.88, 10,021.22 and 4,277.62

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Solution

The fourth proportional to 7,262.88, 10,021.22 and 4,277.62 is: 5,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.88 : 10,021.22 = 4,277.62 : x
  2. Step 2: Convert to fraction form
    7,262.88/10,021.22 = 4,277.62/x
  3. Step 3: Cross multiply
    7,262.88x = 10,021.22 × 4,277.62
  4. Step 4: Simplify right side
    7,262.88x = 42,866,971.10
  5. Step 5: Solve for x
    x = 42,866,971.10/7,262.88
  6. Step 6: Final answer
    x = 5,902.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.