Home / 5,212.42-7,817.85-1,924.92

Finding the Fourth Proportional to 5,212.42, 7,817.85 and 1,924.92

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Solution

The fourth proportional to 5,212.42, 7,817.85 and 1,924.92 is: 2,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.42 : 7,817.85 = 1,924.92 : x
  2. Step 2: Convert to fraction form
    5,212.42/7,817.85 = 1,924.92/x
  3. Step 3: Cross multiply
    5,212.42x = 7,817.85 × 1,924.92
  4. Step 4: Simplify right side
    5,212.42x = 15,048,735.82
  5. Step 5: Solve for x
    x = 15,048,735.82/5,212.42
  6. Step 6: Final answer
    x = 2,887.09

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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.