Home / 6,118.20-8,431.02-4,344.84

Finding the Fourth Proportional to 6,118.20, 8,431.02 and 4,344.84

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Solution

The fourth proportional to 6,118.20, 8,431.02 and 4,344.84 is: 5,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.20 : 8,431.02 = 4,344.84 : x
  2. Step 2: Convert to fraction form
    6,118.20/8,431.02 = 4,344.84/x
  3. Step 3: Cross multiply
    6,118.20x = 8,431.02 × 4,344.84
  4. Step 4: Simplify right side
    6,118.20x = 36,631,432.94
  5. Step 5: Solve for x
    x = 36,631,432.94/6,118.20
  6. Step 6: Final answer
    x = 5,987.29

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Half scale
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Double 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.