Home / 5,705.24-8,557.41-1,809.68

Finding the Fourth Proportional to 5,705.24, 8,557.41 and 1,809.68

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Solution

The fourth proportional to 5,705.24, 8,557.41 and 1,809.68 is: 2,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.24 : 8,557.41 = 1,809.68 : x
  2. Step 2: Convert to fraction form
    5,705.24/8,557.41 = 1,809.68/x
  3. Step 3: Cross multiply
    5,705.24x = 8,557.41 × 1,809.68
  4. Step 4: Simplify right side
    5,705.24x = 15,486,173.73
  5. Step 5: Solve for x
    x = 15,486,173.73/5,705.24
  6. Step 6: Final answer
    x = 2,714.38

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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.