Home / 5,213.40-7,819.62-1,750.68

Finding the Fourth Proportional to 5,213.40, 7,819.62 and 1,750.68

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Solution

The fourth proportional to 5,213.40, 7,819.62 and 1,750.68 is: 2,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.40 : 7,819.62 = 1,750.68 : x
  2. Step 2: Convert to fraction form
    5,213.40/7,819.62 = 1,750.68/x
  3. Step 3: Cross multiply
    5,213.40x = 7,819.62 × 1,750.68
  4. Step 4: Simplify right side
    5,213.40x = 13,689,652.34
  5. Step 5: Solve for x
    x = 13,689,652.34/5,213.40
  6. Step 6: Final answer
    x = 2,625.86

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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.