Home / 7,022.97-10,538.91-2,643.57

Finding the Fourth Proportional to 7,022.97, 10,538.91 and 2,643.57

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Solution

The fourth proportional to 7,022.97, 10,538.91 and 2,643.57 is: 3,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.97 : 10,538.91 = 2,643.57 : x
  2. Step 2: Convert to fraction form
    7,022.97/10,538.91 = 2,643.57/x
  3. Step 3: Cross multiply
    7,022.97x = 10,538.91 × 2,643.57
  4. Step 4: Simplify right side
    7,022.97x = 27,860,346.31
  5. Step 5: Solve for x
    x = 27,860,346.31/7,022.97
  6. Step 6: Final answer
    x = 3,967.03

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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.