Home / 4,644.18-6,408.05-2,757.20

Finding the Fourth Proportional to 4,644.18, 6,408.05 and 2,757.20

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Solution

The fourth proportional to 4,644.18, 6,408.05 and 2,757.20 is: 3,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.18 : 6,408.05 = 2,757.20 : x
  2. Step 2: Convert to fraction form
    4,644.18/6,408.05 = 2,757.20/x
  3. Step 3: Cross multiply
    4,644.18x = 6,408.05 × 2,757.20
  4. Step 4: Simplify right side
    4,644.18x = 17,668,229.63
  5. Step 5: Solve for x
    x = 17,668,229.63/4,644.18
  6. Step 6: Final answer
    x = 3,804.38

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Half scale
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Double scale
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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.