Home / 6,446.36-8,895.18-3,927.55

Finding the Fourth Proportional to 6,446.36, 8,895.18 and 3,927.55

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Solution

The fourth proportional to 6,446.36, 8,895.18 and 3,927.55 is: 5,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.36 : 8,895.18 = 3,927.55 : x
  2. Step 2: Convert to fraction form
    6,446.36/8,895.18 = 3,927.55/x
  3. Step 3: Cross multiply
    6,446.36x = 8,895.18 × 3,927.55
  4. Step 4: Simplify right side
    6,446.36x = 34,936,244.57
  5. Step 5: Solve for x
    x = 34,936,244.57/6,446.36
  6. Step 6: Final answer
    x = 5,419.53

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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.