Home / 6,039.80-8,335.44-3,387.72

Finding the Fourth Proportional to 6,039.80, 8,335.44 and 3,387.72

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Solution

The fourth proportional to 6,039.80, 8,335.44 and 3,387.72 is: 4,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.80 : 8,335.44 = 3,387.72 : x
  2. Step 2: Convert to fraction form
    6,039.80/8,335.44 = 3,387.72/x
  3. Step 3: Cross multiply
    6,039.80x = 8,335.44 × 3,387.72
  4. Step 4: Simplify right side
    6,039.80x = 28,238,136.80
  5. Step 5: Solve for x
    x = 28,238,136.80/6,039.80
  6. Step 6: Final answer
    x = 4,675.34

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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.