Home / 6,383.21-8,808.75-3,550.57

Finding the Fourth Proportional to 6,383.21, 8,808.75 and 3,550.57

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Solution

The fourth proportional to 6,383.21, 8,808.75 and 3,550.57 is: 4,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.21 : 8,808.75 = 3,550.57 : x
  2. Step 2: Convert to fraction form
    6,383.21/8,808.75 = 3,550.57/x
  3. Step 3: Cross multiply
    6,383.21x = 8,808.75 × 3,550.57
  4. Step 4: Simplify right side
    6,383.21x = 31,276,061.47
  5. Step 5: Solve for x
    x = 31,276,061.47/6,383.21
  6. Step 6: Final answer
    x = 4,899.74

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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.