Home / 6,219.18-9,340.92-5,990.76

Finding the Fourth Proportional to 6,219.18, 9,340.92 and 5,990.76

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Solution

The fourth proportional to 6,219.18, 9,340.92 and 5,990.76 is: 8,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.18 : 9,340.92 = 5,990.76 : x
  2. Step 2: Convert to fraction form
    6,219.18/9,340.92 = 5,990.76/x
  3. Step 3: Cross multiply
    6,219.18x = 9,340.92 × 5,990.76
  4. Step 4: Simplify right side
    6,219.18x = 55,959,209.90
  5. Step 5: Solve for x
    x = 55,959,209.90/6,219.18
  6. Step 6: Final answer
    x = 8,997.84

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1.5x scale

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.