Home / 5,388.11-7,435.44-3,030.41

Finding the Fourth Proportional to 5,388.11, 7,435.44 and 3,030.41

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Solution

The fourth proportional to 5,388.11, 7,435.44 and 3,030.41 is: 4,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.11 : 7,435.44 = 3,030.41 : x
  2. Step 2: Convert to fraction form
    5,388.11/7,435.44 = 3,030.41/x
  3. Step 3: Cross multiply
    5,388.11x = 7,435.44 × 3,030.41
  4. Step 4: Simplify right side
    5,388.11x = 22,532,394.55
  5. Step 5: Solve for x
    x = 22,532,394.55/5,388.11
  6. Step 6: Final answer
    x = 4,181.88

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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.