Home / 5,015.53-7,523.26-3,920.81

Finding the Fourth Proportional to 5,015.53, 7,523.26 and 3,920.81

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Solution

The fourth proportional to 5,015.53, 7,523.26 and 3,920.81 is: 5,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.53 : 7,523.26 = 3,920.81 : x
  2. Step 2: Convert to fraction form
    5,015.53/7,523.26 = 3,920.81/x
  3. Step 3: Cross multiply
    5,015.53x = 7,523.26 × 3,920.81
  4. Step 4: Simplify right side
    5,015.53x = 29,497,282.05
  5. Step 5: Solve for x
    x = 29,497,282.05/5,015.53
  6. Step 6: Final answer
    x = 5,881.19

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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.