Home / 6,502.55-9,755.24-2,120.45

Finding the Fourth Proportional to 6,502.55, 9,755.24 and 2,120.45

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Solution

The fourth proportional to 6,502.55, 9,755.24 and 2,120.45 is: 3,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.55 : 9,755.24 = 2,120.45 : x
  2. Step 2: Convert to fraction form
    6,502.55/9,755.24 = 2,120.45/x
  3. Step 3: Cross multiply
    6,502.55x = 9,755.24 × 2,120.45
  4. Step 4: Simplify right side
    6,502.55x = 20,685,439.28
  5. Step 5: Solve for x
    x = 20,685,439.28/6,502.55
  6. Step 6: Final answer
    x = 3,181.13

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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.