Home / 8,022.64-11,071.38-4,485.76

Finding the Fourth Proportional to 8,022.64, 11,071.38 and 4,485.76

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Solution

The fourth proportional to 8,022.64, 11,071.38 and 4,485.76 is: 6,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.64 : 11,071.38 = 4,485.76 : x
  2. Step 2: Convert to fraction form
    8,022.64/11,071.38 = 4,485.76/x
  3. Step 3: Cross multiply
    8,022.64x = 11,071.38 × 4,485.76
  4. Step 4: Simplify right side
    8,022.64x = 49,663,553.55
  5. Step 5: Solve for x
    x = 49,663,553.55/8,022.64
  6. Step 6: Final answer
    x = 6,190.43

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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.