Home / 4,991.61-7,484.79-1,481.13

Finding the Fourth Proportional to 4,991.61, 7,484.79 and 1,481.13

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Solution

The fourth proportional to 4,991.61, 7,484.79 and 1,481.13 is: 2,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.61 : 7,484.79 = 1,481.13 : x
  2. Step 2: Convert to fraction form
    4,991.61/7,484.79 = 1,481.13/x
  3. Step 3: Cross multiply
    4,991.61x = 7,484.79 × 1,481.13
  4. Step 4: Simplify right side
    4,991.61x = 11,085,947.01
  5. Step 5: Solve for x
    x = 11,085,947.01/4,991.61
  6. Step 6: Final answer
    x = 2,220.92

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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.