Home / 5,327.90-7,989.03-1,627.95

Finding the Fourth Proportional to 5,327.90, 7,989.03 and 1,627.95

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Solution

The fourth proportional to 5,327.90, 7,989.03 and 1,627.95 is: 2,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.90 : 7,989.03 = 1,627.95 : x
  2. Step 2: Convert to fraction form
    5,327.90/7,989.03 = 1,627.95/x
  3. Step 3: Cross multiply
    5,327.90x = 7,989.03 × 1,627.95
  4. Step 4: Simplify right side
    5,327.90x = 13,005,741.39
  5. Step 5: Solve for x
    x = 13,005,741.39/5,327.90
  6. Step 6: Final answer
    x = 2,441.07

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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.