Home / 5,205.65-7,809.84-1,508.22

Finding the Fourth Proportional to 5,205.65, 7,809.84 and 1,508.22

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Solution

The fourth proportional to 5,205.65, 7,809.84 and 1,508.22 is: 2,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.65 : 7,809.84 = 1,508.22 : x
  2. Step 2: Convert to fraction form
    5,205.65/7,809.84 = 1,508.22/x
  3. Step 3: Cross multiply
    5,205.65x = 7,809.84 × 1,508.22
  4. Step 4: Simplify right side
    5,205.65x = 11,778,956.88
  5. Step 5: Solve for x
    x = 11,778,956.88/5,205.65
  6. Step 6: Final answer
    x = 2,262.73

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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.