Home / 5,388.89-7,440.35-3,373.11

Finding the Fourth Proportional to 5,388.89, 7,440.35 and 3,373.11

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Solution

The fourth proportional to 5,388.89, 7,440.35 and 3,373.11 is: 4,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.89 : 7,440.35 = 3,373.11 : x
  2. Step 2: Convert to fraction form
    5,388.89/7,440.35 = 3,373.11/x
  3. Step 3: Cross multiply
    5,388.89x = 7,440.35 × 3,373.11
  4. Step 4: Simplify right side
    5,388.89x = 25,097,102.12
  5. Step 5: Solve for x
    x = 25,097,102.12/5,388.89
  6. Step 6: Final answer
    x = 4,657.20

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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.