Home / 7,499.06-11,249.95-3,752.80

Finding the Fourth Proportional to 7,499.06, 11,249.95 and 3,752.80

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Solution

The fourth proportional to 7,499.06, 11,249.95 and 3,752.80 is: 5,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.06 : 11,249.95 = 3,752.80 : x
  2. Step 2: Convert to fraction form
    7,499.06/11,249.95 = 3,752.80/x
  3. Step 3: Cross multiply
    7,499.06x = 11,249.95 × 3,752.80
  4. Step 4: Simplify right side
    7,499.06x = 42,218,756.11
  5. Step 5: Solve for x
    x = 42,218,756.11/7,499.06
  6. Step 6: Final answer
    x = 5,629.88

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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.