Home / 7,712.32-11,569.08-2,166.11

Finding the Fourth Proportional to 7,712.32, 11,569.08 and 2,166.11

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Solution

The fourth proportional to 7,712.32, 11,569.08 and 2,166.11 is: 3,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.32 : 11,569.08 = 2,166.11 : x
  2. Step 2: Convert to fraction form
    7,712.32/11,569.08 = 2,166.11/x
  3. Step 3: Cross multiply
    7,712.32x = 11,569.08 × 2,166.11
  4. Step 4: Simplify right side
    7,712.32x = 25,059,936.92
  5. Step 5: Solve for x
    x = 25,059,936.92/7,712.32
  6. Step 6: Final answer
    x = 3,249.34

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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.