Home / 5,289.90-7,297.16-3,372.15

Finding the Fourth Proportional to 5,289.90, 7,297.16 and 3,372.15

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Solution

The fourth proportional to 5,289.90, 7,297.16 and 3,372.15 is: 4,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.90 : 7,297.16 = 3,372.15 : x
  2. Step 2: Convert to fraction form
    5,289.90/7,297.16 = 3,372.15/x
  3. Step 3: Cross multiply
    5,289.90x = 7,297.16 × 3,372.15
  4. Step 4: Simplify right side
    5,289.90x = 24,607,128.60
  5. Step 5: Solve for x
    x = 24,607,128.60/5,289.90
  6. Step 6: Final answer
    x = 4,651.72

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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.