Home / 4,221.93-6,332.67-1,299.87

Finding the Fourth Proportional to 4,221.93, 6,332.67 and 1,299.87

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Solution

The fourth proportional to 4,221.93, 6,332.67 and 1,299.87 is: 1,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.93 : 6,332.67 = 1,299.87 : x
  2. Step 2: Convert to fraction form
    4,221.93/6,332.67 = 1,299.87/x
  3. Step 3: Cross multiply
    4,221.93x = 6,332.67 × 1,299.87
  4. Step 4: Simplify right side
    4,221.93x = 8,231,647.75
  5. Step 5: Solve for x
    x = 8,231,647.75/4,221.93
  6. Step 6: Final answer
    x = 1,949.74

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Half scale
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Double scale
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Similar ratio
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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.