Home / 5,102.22-7,647.18-4,431.72

Finding the Fourth Proportional to 5,102.22, 7,647.18 and 4,431.72

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Solution

The fourth proportional to 5,102.22, 7,647.18 and 4,431.72 is: 6,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.22 : 7,647.18 = 4,431.72 : x
  2. Step 2: Convert to fraction form
    5,102.22/7,647.18 = 4,431.72/x
  3. Step 3: Cross multiply
    5,102.22x = 7,647.18 × 4,431.72
  4. Step 4: Simplify right side
    5,102.22x = 33,890,160.55
  5. Step 5: Solve for x
    x = 33,890,160.55/5,102.22
  6. Step 6: Final answer
    x = 6,642.24

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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.