Home / 5,515.35-8,273.15-1,619.76

Finding the Fourth Proportional to 5,515.35, 8,273.15 and 1,619.76

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Solution

The fourth proportional to 5,515.35, 8,273.15 and 1,619.76 is: 2,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.35 : 8,273.15 = 1,619.76 : x
  2. Step 2: Convert to fraction form
    5,515.35/8,273.15 = 1,619.76/x
  3. Step 3: Cross multiply
    5,515.35x = 8,273.15 × 1,619.76
  4. Step 4: Simplify right side
    5,515.35x = 13,400,509.35
  5. Step 5: Solve for x
    x = 13,400,509.35/5,515.35
  6. Step 6: Final answer
    x = 2,429.68

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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.