Home / 7,864.32-11,795.40-2,669.52

Finding the Fourth Proportional to 7,864.32, 11,795.40 and 2,669.52

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Solution

The fourth proportional to 7,864.32, 11,795.40 and 2,669.52 is: 4,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.32 : 11,795.40 = 2,669.52 : x
  2. Step 2: Convert to fraction form
    7,864.32/11,795.40 = 2,669.52/x
  3. Step 3: Cross multiply
    7,864.32x = 11,795.40 × 2,669.52
  4. Step 4: Simplify right side
    7,864.32x = 31,488,056.21
  5. Step 5: Solve for x
    x = 31,488,056.21/7,864.32
  6. Step 6: Final answer
    x = 4,003.91

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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.