Home / 6,214.20-8,571.69-4,089.84

Finding the Fourth Proportional to 6,214.20, 8,571.69 and 4,089.84

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Solution

The fourth proportional to 6,214.20, 8,571.69 and 4,089.84 is: 5,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.20 : 8,571.69 = 4,089.84 : x
  2. Step 2: Convert to fraction form
    6,214.20/8,571.69 = 4,089.84/x
  3. Step 3: Cross multiply
    6,214.20x = 8,571.69 × 4,089.84
  4. Step 4: Simplify right side
    6,214.20x = 35,056,840.63
  5. Step 5: Solve for x
    x = 35,056,840.63/6,214.20
  6. Step 6: Final answer
    x = 5,641.41

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Half scale
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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.