Home / 7,418.07-11,127.14-2,488.09

Finding the Fourth Proportional to 7,418.07, 11,127.14 and 2,488.09

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Solution

The fourth proportional to 7,418.07, 11,127.14 and 2,488.09 is: 3,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.07 : 11,127.14 = 2,488.09 : x
  2. Step 2: Convert to fraction form
    7,418.07/11,127.14 = 2,488.09/x
  3. Step 3: Cross multiply
    7,418.07x = 11,127.14 × 2,488.09
  4. Step 4: Simplify right side
    7,418.07x = 27,685,325.76
  5. Step 5: Solve for x
    x = 27,685,325.76/7,418.07
  6. Step 6: Final answer
    x = 3,732.15

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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.