Home / 7,853.12-11,833.67-6,496.92

Finding the Fourth Proportional to 7,853.12, 11,833.67 and 6,496.92

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Solution

The fourth proportional to 7,853.12, 11,833.67 and 6,496.92 is: 9,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.12 : 11,833.67 = 6,496.92 : x
  2. Step 2: Convert to fraction form
    7,853.12/11,833.67 = 6,496.92/x
  3. Step 3: Cross multiply
    7,853.12x = 11,833.67 × 6,496.92
  4. Step 4: Simplify right side
    7,853.12x = 76,882,374.81
  5. Step 5: Solve for x
    x = 76,882,374.81/7,853.12
  6. Step 6: Final answer
    x = 9,790.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.