Home / 7,424.79-11,137.38-2,493.51

Finding the Fourth Proportional to 7,424.79, 11,137.38 and 2,493.51

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Solution

The fourth proportional to 7,424.79, 11,137.38 and 2,493.51 is: 3,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.79 : 11,137.38 = 2,493.51 : x
  2. Step 2: Convert to fraction form
    7,424.79/11,137.38 = 2,493.51/x
  3. Step 3: Cross multiply
    7,424.79x = 11,137.38 × 2,493.51
  4. Step 4: Simplify right side
    7,424.79x = 27,771,168.40
  5. Step 5: Solve for x
    x = 27,771,168.40/7,424.79
  6. Step 6: Final answer
    x = 3,740.33

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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.