Home / 4,480.05-6,720.35-1,193.07

Finding the Fourth Proportional to 4,480.05, 6,720.35 and 1,193.07

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Solution

The fourth proportional to 4,480.05, 6,720.35 and 1,193.07 is: 1,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.05 : 6,720.35 = 1,193.07 : x
  2. Step 2: Convert to fraction form
    4,480.05/6,720.35 = 1,193.07/x
  3. Step 3: Cross multiply
    4,480.05x = 6,720.35 × 1,193.07
  4. Step 4: Simplify right side
    4,480.05x = 8,017,847.97
  5. Step 5: Solve for x
    x = 8,017,847.97/4,480.05
  6. Step 6: Final answer
    x = 1,789.68

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Double scale
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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.