Home / 7,429.77-11,144.75-2,499.39

Finding the Fourth Proportional to 7,429.77, 11,144.75 and 2,499.39

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Solution

The fourth proportional to 7,429.77, 11,144.75 and 2,499.39 is: 3,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.77 : 11,144.75 = 2,499.39 : x
  2. Step 2: Convert to fraction form
    7,429.77/11,144.75 = 2,499.39/x
  3. Step 3: Cross multiply
    7,429.77x = 11,144.75 × 2,499.39
  4. Step 4: Simplify right side
    7,429.77x = 27,855,064.21
  5. Step 5: Solve for x
    x = 27,855,064.21/7,429.77
  6. Step 6: Final answer
    x = 3,749.12

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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.