Home / 4,991.59-7,487.39-1,528.84

Finding the Fourth Proportional to 4,991.59, 7,487.39 and 1,528.84

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Solution

The fourth proportional to 4,991.59, 7,487.39 and 1,528.84 is: 2,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.59 : 7,487.39 = 1,528.84 : x
  2. Step 2: Convert to fraction form
    4,991.59/7,487.39 = 1,528.84/x
  3. Step 3: Cross multiply
    4,991.59x = 7,487.39 × 1,528.84
  4. Step 4: Simplify right side
    4,991.59x = 11,447,021.33
  5. Step 5: Solve for x
    x = 11,447,021.33/4,991.59
  6. Step 6: Final answer
    x = 2,293.26

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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.