Home / 8,216.55-11,343.96-6,521.97

Finding the Fourth Proportional to 8,216.55, 11,343.96 and 6,521.97

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Solution

The fourth proportional to 8,216.55, 11,343.96 and 6,521.97 is: 9,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.55 : 11,343.96 = 6,521.97 : x
  2. Step 2: Convert to fraction form
    8,216.55/11,343.96 = 6,521.97/x
  3. Step 3: Cross multiply
    8,216.55x = 11,343.96 × 6,521.97
  4. Step 4: Simplify right side
    8,216.55x = 73,984,966.80
  5. Step 5: Solve for x
    x = 73,984,966.80/8,216.55
  6. Step 6: Final answer
    x = 9,004.38

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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.