Home / 8,889.05-12,257.69-7,634.26

Finding the Fourth Proportional to 8,889.05, 12,257.69 and 7,634.26

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Solution

The fourth proportional to 8,889.05, 12,257.69 and 7,634.26 is: 10,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.05 : 12,257.69 = 7,634.26 : x
  2. Step 2: Convert to fraction form
    8,889.05/12,257.69 = 7,634.26/x
  3. Step 3: Cross multiply
    8,889.05x = 12,257.69 × 7,634.26
  4. Step 4: Simplify right side
    8,889.05x = 93,578,323.64
  5. Step 5: Solve for x
    x = 93,578,323.64/8,889.05
  6. Step 6: Final answer
    x = 10,527.37

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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.