Home / 4,420.13-6,102.77-2,742.21

Finding the Fourth Proportional to 4,420.13, 6,102.77 and 2,742.21

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Solution

The fourth proportional to 4,420.13, 6,102.77 and 2,742.21 is: 3,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.13 : 6,102.77 = 2,742.21 : x
  2. Step 2: Convert to fraction form
    4,420.13/6,102.77 = 2,742.21/x
  3. Step 3: Cross multiply
    4,420.13x = 6,102.77 × 2,742.21
  4. Step 4: Simplify right side
    4,420.13x = 16,735,063.21
  5. Step 5: Solve for x
    x = 16,735,063.21/4,420.13
  6. Step 6: Final answer
    x = 3,786.11

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Half 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.