Home / 4,914.60-7,371.60-1,992.12

Finding the Fourth Proportional to 4,914.60, 7,371.60 and 1,992.12

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Solution

The fourth proportional to 4,914.60, 7,371.60 and 1,992.12 is: 2,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.60 : 7,371.60 = 1,992.12 : x
  2. Step 2: Convert to fraction form
    4,914.60/7,371.60 = 1,992.12/x
  3. Step 3: Cross multiply
    4,914.60x = 7,371.60 × 1,992.12
  4. Step 4: Simplify right side
    4,914.60x = 14,685,111.79
  5. Step 5: Solve for x
    x = 14,685,111.79/4,914.60
  6. Step 6: Final answer
    x = 2,988.06

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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.