Home / 6,039.72-8,334.79-3,387.18

Finding the Fourth Proportional to 6,039.72, 8,334.79 and 3,387.18

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Solution

The fourth proportional to 6,039.72, 8,334.79 and 3,387.18 is: 4,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.72 : 8,334.79 = 3,387.18 : x
  2. Step 2: Convert to fraction form
    6,039.72/8,334.79 = 3,387.18/x
  3. Step 3: Cross multiply
    6,039.72x = 8,334.79 × 3,387.18
  4. Step 4: Simplify right side
    6,039.72x = 28,231,460.20
  5. Step 5: Solve for x
    x = 28,231,460.20/6,039.72
  6. Step 6: Final answer
    x = 4,674.30

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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.