Home / 8,220.16-11,343.68-4,494.08

Finding the Fourth Proportional to 8,220.16, 11,343.68 and 4,494.08

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Solution

The fourth proportional to 8,220.16, 11,343.68 and 4,494.08 is: 6,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.16 : 11,343.68 = 4,494.08 : x
  2. Step 2: Convert to fraction form
    8,220.16/11,343.68 = 4,494.08/x
  3. Step 3: Cross multiply
    8,220.16x = 11,343.68 × 4,494.08
  4. Step 4: Simplify right side
    8,220.16x = 50,979,405.41
  5. Step 5: Solve for x
    x = 50,979,405.41/8,220.16
  6. Step 6: Final answer
    x = 6,201.75

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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.