Home / 4,480.13-6,720.23-2,531.88

Finding the Fourth Proportional to 4,480.13, 6,720.23 and 2,531.88

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Solution

The fourth proportional to 4,480.13, 6,720.23 and 2,531.88 is: 3,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.13 : 6,720.23 = 2,531.88 : x
  2. Step 2: Convert to fraction form
    4,480.13/6,720.23 = 2,531.88/x
  3. Step 3: Cross multiply
    4,480.13x = 6,720.23 × 2,531.88
  4. Step 4: Simplify right side
    4,480.13x = 17,014,822.26
  5. Step 5: Solve for x
    x = 17,014,822.26/4,480.13
  6. Step 6: Final answer
    x = 3,797.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.