Home / 6,330.72-8,736.40-3,536.22

Finding the Fourth Proportional to 6,330.72, 8,736.40 and 3,536.22

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Solution

The fourth proportional to 6,330.72, 8,736.40 and 3,536.22 is: 4,879.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.72 : 8,736.40 = 3,536.22 : x
  2. Step 2: Convert to fraction form
    6,330.72/8,736.40 = 3,536.22/x
  3. Step 3: Cross multiply
    6,330.72x = 8,736.40 × 3,536.22
  4. Step 4: Simplify right side
    6,330.72x = 30,893,832.41
  5. Step 5: Solve for x
    x = 30,893,832.41/6,330.72
  6. Step 6: Final answer
    x = 4,879.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.