Home / 4,920.18-7,378.26-1,997.70

Finding the Fourth Proportional to 4,920.18, 7,378.26 and 1,997.70

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Solution

The fourth proportional to 4,920.18, 7,378.26 and 1,997.70 is: 2,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.18 : 7,378.26 = 1,997.70 : x
  2. Step 2: Convert to fraction form
    4,920.18/7,378.26 = 1,997.70/x
  3. Step 3: Cross multiply
    4,920.18x = 7,378.26 × 1,997.70
  4. Step 4: Simplify right side
    4,920.18x = 14,739,550.00
  5. Step 5: Solve for x
    x = 14,739,550.00/4,920.18
  6. Step 6: Final answer
    x = 2,995.73

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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.