Home / 7,808.97-11,707.30-2,875.92

Finding the Fourth Proportional to 7,808.97, 11,707.30 and 2,875.92

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Solution

The fourth proportional to 7,808.97, 11,707.30 and 2,875.92 is: 4,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.97 : 11,707.30 = 2,875.92 : x
  2. Step 2: Convert to fraction form
    7,808.97/11,707.30 = 2,875.92/x
  3. Step 3: Cross multiply
    7,808.97x = 11,707.30 × 2,875.92
  4. Step 4: Simplify right side
    7,808.97x = 33,669,258.22
  5. Step 5: Solve for x
    x = 33,669,258.22/7,808.97
  6. Step 6: Final answer
    x = 4,311.61

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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.