Home / 6,652.96-9,179.08-3,999.40

Finding the Fourth Proportional to 6,652.96, 9,179.08 and 3,999.40

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Solution

The fourth proportional to 6,652.96, 9,179.08 and 3,999.40 is: 5,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.96 : 9,179.08 = 3,999.40 : x
  2. Step 2: Convert to fraction form
    6,652.96/9,179.08 = 3,999.40/x
  3. Step 3: Cross multiply
    6,652.96x = 9,179.08 × 3,999.40
  4. Step 4: Simplify right side
    6,652.96x = 36,710,812.55
  5. Step 5: Solve for x
    x = 36,710,812.55/6,652.96
  6. Step 6: Final answer
    x = 5,517.97

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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.