Home / 6,121.24-8,447.40-3,326.74

Finding the Fourth Proportional to 6,121.24, 8,447.40 and 3,326.74

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Solution

The fourth proportional to 6,121.24, 8,447.40 and 3,326.74 is: 4,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.24 : 8,447.40 = 3,326.74 : x
  2. Step 2: Convert to fraction form
    6,121.24/8,447.40 = 3,326.74/x
  3. Step 3: Cross multiply
    6,121.24x = 8,447.40 × 3,326.74
  4. Step 4: Simplify right side
    6,121.24x = 28,102,303.48
  5. Step 5: Solve for x
    x = 28,102,303.48/6,121.24
  6. Step 6: Final answer
    x = 4,590.95

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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.