Home / 4,453.20-6,663.60-4,064.40

Finding the Fourth Proportional to 4,453.20, 6,663.60 and 4,064.40

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Solution

The fourth proportional to 4,453.20, 6,663.60 and 4,064.40 is: 6,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.20 : 6,663.60 = 4,064.40 : x
  2. Step 2: Convert to fraction form
    4,453.20/6,663.60 = 4,064.40/x
  3. Step 3: Cross multiply
    4,453.20x = 6,663.60 × 4,064.40
  4. Step 4: Simplify right side
    4,453.20x = 27,083,535.84
  5. Step 5: Solve for x
    x = 27,083,535.84/4,453.20
  6. Step 6: Final answer
    x = 6,081.81

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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.