Home / 5,212.26-7,817.58-1,924.61

Finding the Fourth Proportional to 5,212.26, 7,817.58 and 1,924.61

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Solution

The fourth proportional to 5,212.26, 7,817.58 and 1,924.61 is: 2,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.26 : 7,817.58 = 1,924.61 : x
  2. Step 2: Convert to fraction form
    5,212.26/7,817.58 = 1,924.61/x
  3. Step 3: Cross multiply
    5,212.26x = 7,817.58 × 1,924.61
  4. Step 4: Simplify right side
    5,212.26x = 15,045,753.56
  5. Step 5: Solve for x
    x = 15,045,753.56/5,212.26
  6. Step 6: Final answer
    x = 2,886.61

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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.