Home / 7,417.24-11,122.62-2,797

Finding the Fourth Proportional to 7,417.24, 11,122.62 and 2,797

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Solution

The fourth proportional to 7,417.24, 11,122.62 and 2,797 is: 4,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.24 : 11,122.62 = 2,797 : x
  2. Step 2: Convert to fraction form
    7,417.24/11,122.62 = 2,797/x
  3. Step 3: Cross multiply
    7,417.24x = 11,122.62 × 2,797
  4. Step 4: Simplify right side
    7,417.24x = 31,109,968.14
  5. Step 5: Solve for x
    x = 31,109,968.14/7,417.24
  6. Step 6: Final answer
    x = 4,194.28

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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.