Home / 6,327.80-9,494.40-3,039.20

Finding the Fourth Proportional to 6,327.80, 9,494.40 and 3,039.20

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Solution

The fourth proportional to 6,327.80, 9,494.40 and 3,039.20 is: 4,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.80 : 9,494.40 = 3,039.20 : x
  2. Step 2: Convert to fraction form
    6,327.80/9,494.40 = 3,039.20/x
  3. Step 3: Cross multiply
    6,327.80x = 9,494.40 × 3,039.20
  4. Step 4: Simplify right side
    6,327.80x = 28,855,380.48
  5. Step 5: Solve for x
    x = 28,855,380.48/6,327.80
  6. Step 6: Final answer
    x = 4,560.10

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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.