Home / 6,446.32-8,896.41-3,613.95

Finding the Fourth Proportional to 6,446.32, 8,896.41 and 3,613.95

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Solution

The fourth proportional to 6,446.32, 8,896.41 and 3,613.95 is: 4,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.32 : 8,896.41 = 3,613.95 : x
  2. Step 2: Convert to fraction form
    6,446.32/8,896.41 = 3,613.95/x
  3. Step 3: Cross multiply
    6,446.32x = 8,896.41 × 3,613.95
  4. Step 4: Simplify right side
    6,446.32x = 32,151,180.92
  5. Step 5: Solve for x
    x = 32,151,180.92/6,446.32
  6. Step 6: Final answer
    x = 4,987.53

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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.