Home / 8,201.52-11,317.32-5,057.10

Finding the Fourth Proportional to 8,201.52, 11,317.32 and 5,057.10

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Solution

The fourth proportional to 8,201.52, 11,317.32 and 5,057.10 is: 6,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.52 : 11,317.32 = 5,057.10 : x
  2. Step 2: Convert to fraction form
    8,201.52/11,317.32 = 5,057.10/x
  3. Step 3: Cross multiply
    8,201.52x = 11,317.32 × 5,057.10
  4. Step 4: Simplify right side
    8,201.52x = 57,232,818.97
  5. Step 5: Solve for x
    x = 57,232,818.97/8,201.52
  6. Step 6: Final answer
    x = 6,978.32

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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.