Home / 5,555.98-8,324.71-3,909.07

Finding the Fourth Proportional to 5,555.98, 8,324.71 and 3,909.07

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Solution

The fourth proportional to 5,555.98, 8,324.71 and 3,909.07 is: 5,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.98 : 8,324.71 = 3,909.07 : x
  2. Step 2: Convert to fraction form
    5,555.98/8,324.71 = 3,909.07/x
  3. Step 3: Cross multiply
    5,555.98x = 8,324.71 × 3,909.07
  4. Step 4: Simplify right side
    5,555.98x = 32,541,874.12
  5. Step 5: Solve for x
    x = 32,541,874.12/5,555.98
  6. Step 6: Final answer
    x = 5,857.09

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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.