Home / 4,995.20-7,492.79-1,485.19

Finding the Fourth Proportional to 4,995.20, 7,492.79 and 1,485.19

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Solution

The fourth proportional to 4,995.20, 7,492.79 and 1,485.19 is: 2,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.20 : 7,492.79 = 1,485.19 : x
  2. Step 2: Convert to fraction form
    4,995.20/7,492.79 = 1,485.19/x
  3. Step 3: Cross multiply
    4,995.20x = 7,492.79 × 1,485.19
  4. Step 4: Simplify right side
    4,995.20x = 11,128,218.59
  5. Step 5: Solve for x
    x = 11,128,218.59/4,995.20
  6. Step 6: Final answer
    x = 2,227.78

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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.