Home / 6,293.28-8,682.96-3,640.32

Finding the Fourth Proportional to 6,293.28, 8,682.96 and 3,640.32

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Solution

The fourth proportional to 6,293.28, 8,682.96 and 3,640.32 is: 5,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.28 : 8,682.96 = 3,640.32 : x
  2. Step 2: Convert to fraction form
    6,293.28/8,682.96 = 3,640.32/x
  3. Step 3: Cross multiply
    6,293.28x = 8,682.96 × 3,640.32
  4. Step 4: Simplify right side
    6,293.28x = 31,608,752.95
  5. Step 5: Solve for x
    x = 31,608,752.95/6,293.28
  6. Step 6: Final answer
    x = 5,022.62

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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.