Home / 4,577.72-6,860.96-2,109.11

Finding the Fourth Proportional to 4,577.72, 6,860.96 and 2,109.11

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Solution

The fourth proportional to 4,577.72, 6,860.96 and 2,109.11 is: 3,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.72 : 6,860.96 = 2,109.11 : x
  2. Step 2: Convert to fraction form
    4,577.72/6,860.96 = 2,109.11/x
  3. Step 3: Cross multiply
    4,577.72x = 6,860.96 × 2,109.11
  4. Step 4: Simplify right side
    4,577.72x = 14,470,508.80
  5. Step 5: Solve for x
    x = 14,470,508.80/4,577.72
  6. Step 6: Final answer
    x = 3,161.07

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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.