Home / 6,331.83-9,491.40-2,169

Finding the Fourth Proportional to 6,331.83, 9,491.40 and 2,169

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Solution

The fourth proportional to 6,331.83, 9,491.40 and 2,169 is: 3,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.83 : 9,491.40 = 2,169 : x
  2. Step 2: Convert to fraction form
    6,331.83/9,491.40 = 2,169/x
  3. Step 3: Cross multiply
    6,331.83x = 9,491.40 × 2,169
  4. Step 4: Simplify right side
    6,331.83x = 20,586,846.60
  5. Step 5: Solve for x
    x = 20,586,846.60/6,331.83
  6. Step 6: Final answer
    x = 3,251.33

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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.