Home / 4,509.52-6,221.16-2,645.68

Finding the Fourth Proportional to 4,509.52, 6,221.16 and 2,645.68

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Solution

The fourth proportional to 4,509.52, 6,221.16 and 2,645.68 is: 3,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.52 : 6,221.16 = 2,645.68 : x
  2. Step 2: Convert to fraction form
    4,509.52/6,221.16 = 2,645.68/x
  3. Step 3: Cross multiply
    4,509.52x = 6,221.16 × 2,645.68
  4. Step 4: Simplify right side
    4,509.52x = 16,459,198.59
  5. Step 5: Solve for x
    x = 16,459,198.59/4,509.52
  6. Step 6: Final answer
    x = 3,649.88

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.