Home / 6,447.06-8,893.77-4,059.90

Finding the Fourth Proportional to 6,447.06, 8,893.77 and 4,059.90

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Solution

The fourth proportional to 6,447.06, 8,893.77 and 4,059.90 is: 5,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.06 : 8,893.77 = 4,059.90 : x
  2. Step 2: Convert to fraction form
    6,447.06/8,893.77 = 4,059.90/x
  3. Step 3: Cross multiply
    6,447.06x = 8,893.77 × 4,059.90
  4. Step 4: Simplify right side
    6,447.06x = 36,107,816.82
  5. Step 5: Solve for x
    x = 36,107,816.82/6,447.06
  6. Step 6: Final answer
    x = 5,600.66

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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.