Home / 6,446.20-9,647.70-4,502.20

Finding the Fourth Proportional to 6,446.20, 9,647.70 and 4,502.20

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Solution

The fourth proportional to 6,446.20, 9,647.70 and 4,502.20 is: 6,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.20 : 9,647.70 = 4,502.20 : x
  2. Step 2: Convert to fraction form
    6,446.20/9,647.70 = 4,502.20/x
  3. Step 3: Cross multiply
    6,446.20x = 9,647.70 × 4,502.20
  4. Step 4: Simplify right side
    6,446.20x = 43,435,874.94
  5. Step 5: Solve for x
    x = 43,435,874.94/6,446.20
  6. Step 6: Final answer
    x = 6,738.21

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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.