Home / 7,536.20-11,309.70-4,245.80

Finding the Fourth Proportional to 7,536.20, 11,309.70 and 4,245.80

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Solution

The fourth proportional to 7,536.20, 11,309.70 and 4,245.80 is: 6,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.20 : 11,309.70 = 4,245.80 : x
  2. Step 2: Convert to fraction form
    7,536.20/11,309.70 = 4,245.80/x
  3. Step 3: Cross multiply
    7,536.20x = 11,309.70 × 4,245.80
  4. Step 4: Simplify right side
    7,536.20x = 48,018,724.26
  5. Step 5: Solve for x
    x = 48,018,724.26/7,536.20
  6. Step 6: Final answer
    x = 6,371.74

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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.