Home / 6,120.95-8,446.91-3,326.45

Finding the Fourth Proportional to 6,120.95, 8,446.91 and 3,326.45

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Solution

The fourth proportional to 6,120.95, 8,446.91 and 3,326.45 is: 4,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.95 : 8,446.91 = 3,326.45 : x
  2. Step 2: Convert to fraction form
    6,120.95/8,446.91 = 3,326.45/x
  3. Step 3: Cross multiply
    6,120.95x = 8,446.91 × 3,326.45
  4. Step 4: Simplify right side
    6,120.95x = 28,098,164.90
  5. Step 5: Solve for x
    x = 28,098,164.90/6,120.95
  6. Step 6: Final answer
    x = 4,590.49

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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.