Home / 7,187.45-9,919.62-4,044.24

Finding the Fourth Proportional to 7,187.45, 9,919.62 and 4,044.24

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Solution

The fourth proportional to 7,187.45, 9,919.62 and 4,044.24 is: 5,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.45 : 9,919.62 = 4,044.24 : x
  2. Step 2: Convert to fraction form
    7,187.45/9,919.62 = 4,044.24/x
  3. Step 3: Cross multiply
    7,187.45x = 9,919.62 × 4,044.24
  4. Step 4: Simplify right side
    7,187.45x = 40,117,323.99
  5. Step 5: Solve for x
    x = 40,117,323.99/7,187.45
  6. Step 6: Final answer
    x = 5,581.58

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