Home / 8,287.83-11,430.45-6,694.02

Finding the Fourth Proportional to 8,287.83, 11,430.45 and 6,694.02

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Solution

The fourth proportional to 8,287.83, 11,430.45 and 6,694.02 is: 9,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.83 : 11,430.45 = 6,694.02 : x
  2. Step 2: Convert to fraction form
    8,287.83/11,430.45 = 6,694.02/x
  3. Step 3: Cross multiply
    8,287.83x = 11,430.45 × 6,694.02
  4. Step 4: Simplify right side
    8,287.83x = 76,515,660.91
  5. Step 5: Solve for x
    x = 76,515,660.91/8,287.83
  6. Step 6: Final answer
    x = 9,232.29

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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.