Home / 6,347.21-8,757.12-4,110.80

Finding the Fourth Proportional to 6,347.21, 8,757.12 and 4,110.80

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Solution

The fourth proportional to 6,347.21, 8,757.12 and 4,110.80 is: 5,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.21 : 8,757.12 = 4,110.80 : x
  2. Step 2: Convert to fraction form
    6,347.21/8,757.12 = 4,110.80/x
  3. Step 3: Cross multiply
    6,347.21x = 8,757.12 × 4,110.80
  4. Step 4: Simplify right side
    6,347.21x = 35,998,709.69
  5. Step 5: Solve for x
    x = 35,998,709.69/6,347.21
  6. Step 6: Final answer
    x = 5,671.58

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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.