Home / 5,327.88-7,362.60-3,999.30

Finding the Fourth Proportional to 5,327.88, 7,362.60 and 3,999.30

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Solution

The fourth proportional to 5,327.88, 7,362.60 and 3,999.30 is: 5,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.88 : 7,362.60 = 3,999.30 : x
  2. Step 2: Convert to fraction form
    5,327.88/7,362.60 = 3,999.30/x
  3. Step 3: Cross multiply
    5,327.88x = 7,362.60 × 3,999.30
  4. Step 4: Simplify right side
    5,327.88x = 29,445,246.18
  5. Step 5: Solve for x
    x = 29,445,246.18/5,327.88
  6. Step 6: Final answer
    x = 5,526.63

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1.5x scale

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.