Home / 6,679.72-10,015.26-3,215.08

Finding the Fourth Proportional to 6,679.72, 10,015.26 and 3,215.08

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Solution

The fourth proportional to 6,679.72, 10,015.26 and 3,215.08 is: 4,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.72 : 10,015.26 = 3,215.08 : x
  2. Step 2: Convert to fraction form
    6,679.72/10,015.26 = 3,215.08/x
  3. Step 3: Cross multiply
    6,679.72x = 10,015.26 × 3,215.08
  4. Step 4: Simplify right side
    6,679.72x = 32,199,862.12
  5. Step 5: Solve for x
    x = 32,199,862.12/6,679.72
  6. Step 6: Final answer
    x = 4,820.54

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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.