Home / 8,187.41-11,287.18-6,923.40

Finding the Fourth Proportional to 8,187.41, 11,287.18 and 6,923.40

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Solution

The fourth proportional to 8,187.41, 11,287.18 and 6,923.40 is: 9,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.41 : 11,287.18 = 6,923.40 : x
  2. Step 2: Convert to fraction form
    8,187.41/11,287.18 = 6,923.40/x
  3. Step 3: Cross multiply
    8,187.41x = 11,287.18 × 6,923.40
  4. Step 4: Simplify right side
    8,187.41x = 78,145,605.58
  5. Step 5: Solve for x
    x = 78,145,605.58/8,187.41
  6. Step 6: Final answer
    x = 9,544.61

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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.