Home / 7,538.13-11,309.49-2,859.57

Finding the Fourth Proportional to 7,538.13, 11,309.49 and 2,859.57

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Solution

The fourth proportional to 7,538.13, 11,309.49 and 2,859.57 is: 4,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.13 : 11,309.49 = 2,859.57 : x
  2. Step 2: Convert to fraction form
    7,538.13/11,309.49 = 2,859.57/x
  3. Step 3: Cross multiply
    7,538.13x = 11,309.49 × 2,859.57
  4. Step 4: Simplify right side
    7,538.13x = 32,340,278.32
  5. Step 5: Solve for x
    x = 32,340,278.32/7,538.13
  6. Step 6: Final answer
    x = 4,290.23

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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.