Home / 7,424.44-11,137.39-2,159.51

Finding the Fourth Proportional to 7,424.44, 11,137.39 and 2,159.51

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Solution

The fourth proportional to 7,424.44, 11,137.39 and 2,159.51 is: 3,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.44 : 11,137.39 = 2,159.51 : x
  2. Step 2: Convert to fraction form
    7,424.44/11,137.39 = 2,159.51/x
  3. Step 3: Cross multiply
    7,424.44x = 11,137.39 × 2,159.51
  4. Step 4: Simplify right side
    7,424.44x = 24,051,243.99
  5. Step 5: Solve for x
    x = 24,051,243.99/7,424.44
  6. Step 6: Final answer
    x = 3,239.47

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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.