Home / 8,188.36-12,284.93-2,641.59

Finding the Fourth Proportional to 8,188.36, 12,284.93 and 2,641.59

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Solution

The fourth proportional to 8,188.36, 12,284.93 and 2,641.59 is: 3,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.36 : 12,284.93 = 2,641.59 : x
  2. Step 2: Convert to fraction form
    8,188.36/12,284.93 = 2,641.59/x
  3. Step 3: Cross multiply
    8,188.36x = 12,284.93 × 2,641.59
  4. Step 4: Simplify right side
    8,188.36x = 32,451,754.84
  5. Step 5: Solve for x
    x = 32,451,754.84/8,188.36
  6. Step 6: Final answer
    x = 3,963.16

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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.