Home / 6,623.67-9,930.92-5,590.38

Finding the Fourth Proportional to 6,623.67, 9,930.92 and 5,590.38

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Solution

The fourth proportional to 6,623.67, 9,930.92 and 5,590.38 is: 8,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.67 : 9,930.92 = 5,590.38 : x
  2. Step 2: Convert to fraction form
    6,623.67/9,930.92 = 5,590.38/x
  3. Step 3: Cross multiply
    6,623.67x = 9,930.92 × 5,590.38
  4. Step 4: Simplify right side
    6,623.67x = 55,517,588.60
  5. Step 5: Solve for x
    x = 55,517,588.60/6,623.67
  6. Step 6: Final answer
    x = 8,381.70

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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.