Home / 6,621.23-9,936.17-3,158.75

Finding the Fourth Proportional to 6,621.23, 9,936.17 and 3,158.75

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Solution

The fourth proportional to 6,621.23, 9,936.17 and 3,158.75 is: 4,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.23 : 9,936.17 = 3,158.75 : x
  2. Step 2: Convert to fraction form
    6,621.23/9,936.17 = 3,158.75/x
  3. Step 3: Cross multiply
    6,621.23x = 9,936.17 × 3,158.75
  4. Step 4: Simplify right side
    6,621.23x = 31,385,876.99
  5. Step 5: Solve for x
    x = 31,385,876.99/6,621.23
  6. Step 6: Final answer
    x = 4,740.19

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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.