Home / 5,219.94-7,826.18-2,445.09

Finding the Fourth Proportional to 5,219.94, 7,826.18 and 2,445.09

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Solution

The fourth proportional to 5,219.94, 7,826.18 and 2,445.09 is: 3,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.94 : 7,826.18 = 2,445.09 : x
  2. Step 2: Convert to fraction form
    5,219.94/7,826.18 = 2,445.09/x
  3. Step 3: Cross multiply
    5,219.94x = 7,826.18 × 2,445.09
  4. Step 4: Simplify right side
    5,219.94x = 19,135,714.46
  5. Step 5: Solve for x
    x = 19,135,714.46/5,219.94
  6. Step 6: Final answer
    x = 3,665.89

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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.