Home / 6,550.61-9,821.79-2,166.89

Finding the Fourth Proportional to 6,550.61, 9,821.79 and 2,166.89

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Solution

The fourth proportional to 6,550.61, 9,821.79 and 2,166.89 is: 3,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.61 : 9,821.79 = 2,166.89 : x
  2. Step 2: Convert to fraction form
    6,550.61/9,821.79 = 2,166.89/x
  3. Step 3: Cross multiply
    6,550.61x = 9,821.79 × 2,166.89
  4. Step 4: Simplify right side
    6,550.61x = 21,282,689.42
  5. Step 5: Solve for x
    x = 21,282,689.42/6,550.61
  6. Step 6: Final answer
    x = 3,248.97

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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.