Home / 8,810.31-13,222.76-6,611.97

Finding the Fourth Proportional to 8,810.31, 13,222.76 and 6,611.97

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Solution

The fourth proportional to 8,810.31, 13,222.76 and 6,611.97 is: 9,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.31 : 13,222.76 = 6,611.97 : x
  2. Step 2: Convert to fraction form
    8,810.31/13,222.76 = 6,611.97/x
  3. Step 3: Cross multiply
    8,810.31x = 13,222.76 × 6,611.97
  4. Step 4: Simplify right side
    8,810.31x = 87,428,459.38
  5. Step 5: Solve for x
    x = 87,428,459.38/8,810.31
  6. Step 6: Final answer
    x = 9,923.43

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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.