Home / 4,138.21-5,712.03-2,646.13

Finding the Fourth Proportional to 4,138.21, 5,712.03 and 2,646.13

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Solution

The fourth proportional to 4,138.21, 5,712.03 and 2,646.13 is: 3,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.21 : 5,712.03 = 2,646.13 : x
  2. Step 2: Convert to fraction form
    4,138.21/5,712.03 = 2,646.13/x
  3. Step 3: Cross multiply
    4,138.21x = 5,712.03 × 2,646.13
  4. Step 4: Simplify right side
    4,138.21x = 15,114,773.94
  5. Step 5: Solve for x
    x = 15,114,773.94/4,138.21
  6. Step 6: Final answer
    x = 3,652.49

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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.