Home / 4,486.03-6,720.40-2,179.15

Finding the Fourth Proportional to 4,486.03, 6,720.40 and 2,179.15

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Solution

The fourth proportional to 4,486.03, 6,720.40 and 2,179.15 is: 3,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.03 : 6,720.40 = 2,179.15 : x
  2. Step 2: Convert to fraction form
    4,486.03/6,720.40 = 2,179.15/x
  3. Step 3: Cross multiply
    4,486.03x = 6,720.40 × 2,179.15
  4. Step 4: Simplify right side
    4,486.03x = 14,644,759.66
  5. Step 5: Solve for x
    x = 14,644,759.66/4,486.03
  6. Step 6: Final answer
    x = 3,264.53

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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.