Home / 6,624.91-9,935.39-2,181.76

Finding the Fourth Proportional to 6,624.91, 9,935.39 and 2,181.76

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Solution

The fourth proportional to 6,624.91, 9,935.39 and 2,181.76 is: 3,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.91 : 9,935.39 = 2,181.76 : x
  2. Step 2: Convert to fraction form
    6,624.91/9,935.39 = 2,181.76/x
  3. Step 3: Cross multiply
    6,624.91x = 9,935.39 × 2,181.76
  4. Step 4: Simplify right side
    6,624.91x = 21,676,645.05
  5. Step 5: Solve for x
    x = 21,676,645.05/6,624.91
  6. Step 6: Final answer
    x = 3,271.99

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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.