Home / 8,231.68-11,360.80-4,694.08

Finding the Fourth Proportional to 8,231.68, 11,360.80 and 4,694.08

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Solution

The fourth proportional to 8,231.68, 11,360.80 and 4,694.08 is: 6,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.68 : 11,360.80 = 4,694.08 : x
  2. Step 2: Convert to fraction form
    8,231.68/11,360.80 = 4,694.08/x
  3. Step 3: Cross multiply
    8,231.68x = 11,360.80 × 4,694.08
  4. Step 4: Simplify right side
    8,231.68x = 53,328,504.06
  5. Step 5: Solve for x
    x = 53,328,504.06/8,231.68
  6. Step 6: Final answer
    x = 6,478.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.