Home / 4,518.08-6,781.17-3,782.30

Finding the Fourth Proportional to 4,518.08, 6,781.17 and 3,782.30

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Solution

The fourth proportional to 4,518.08, 6,781.17 and 3,782.30 is: 5,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.08 : 6,781.17 = 3,782.30 : x
  2. Step 2: Convert to fraction form
    4,518.08/6,781.17 = 3,782.30/x
  3. Step 3: Cross multiply
    4,518.08x = 6,781.17 × 3,782.30
  4. Step 4: Simplify right side
    4,518.08x = 25,648,419.29
  5. Step 5: Solve for x
    x = 25,648,419.29/4,518.08
  6. Step 6: Final answer
    x = 5,676.84

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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.