Home / 6,277.20-9,417.24-3,198.48

Finding the Fourth Proportional to 6,277.20, 9,417.24 and 3,198.48

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Solution

The fourth proportional to 6,277.20, 9,417.24 and 3,198.48 is: 4,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.20 : 9,417.24 = 3,198.48 : x
  2. Step 2: Convert to fraction form
    6,277.20/9,417.24 = 3,198.48/x
  3. Step 3: Cross multiply
    6,277.20x = 9,417.24 × 3,198.48
  4. Step 4: Simplify right side
    6,277.20x = 30,120,853.80
  5. Step 5: Solve for x
    x = 30,120,853.80/6,277.20
  6. Step 6: Final answer
    x = 4,798.45

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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.