Home / 7,721.00-11,582.17-2,174.39

Finding the Fourth Proportional to 7,721.00, 11,582.17 and 2,174.39

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Solution

The fourth proportional to 7,721.00, 11,582.17 and 2,174.39 is: 3,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.00 : 11,582.17 = 2,174.39 : x
  2. Step 2: Convert to fraction form
    7,721.00/11,582.17 = 2,174.39/x
  3. Step 3: Cross multiply
    7,721.00x = 11,582.17 × 2,174.39
  4. Step 4: Simplify right side
    7,721.00x = 25,184,091.28
  5. Step 5: Solve for x
    x = 25,184,091.28/7,721.00
  6. Step 6: Final answer
    x = 3,261.77

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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.