Home / 5,327.21-7,351.56-3,090.41

Finding the Fourth Proportional to 5,327.21, 7,351.56 and 3,090.41

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Solution

The fourth proportional to 5,327.21, 7,351.56 and 3,090.41 is: 4,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.21 : 7,351.56 = 3,090.41 : x
  2. Step 2: Convert to fraction form
    5,327.21/7,351.56 = 3,090.41/x
  3. Step 3: Cross multiply
    5,327.21x = 7,351.56 × 3,090.41
  4. Step 4: Simplify right side
    5,327.21x = 22,719,297.78
  5. Step 5: Solve for x
    x = 22,719,297.78/5,327.21
  6. Step 6: Final answer
    x = 4,264.77

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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.