Home / 4,293.55-6,440.20-1,372.03

Finding the Fourth Proportional to 4,293.55, 6,440.20 and 1,372.03

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Solution

The fourth proportional to 4,293.55, 6,440.20 and 1,372.03 is: 2,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.55 : 6,440.20 = 1,372.03 : x
  2. Step 2: Convert to fraction form
    4,293.55/6,440.20 = 1,372.03/x
  3. Step 3: Cross multiply
    4,293.55x = 6,440.20 × 1,372.03
  4. Step 4: Simplify right side
    4,293.55x = 8,836,147.61
  5. Step 5: Solve for x
    x = 8,836,147.61/4,293.55
  6. Step 6: Final answer
    x = 2,058.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.