Home / 8,089.43-11,135.34-6,974.06

Finding the Fourth Proportional to 8,089.43, 11,135.34 and 6,974.06

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Solution

The fourth proportional to 8,089.43, 11,135.34 and 6,974.06 is: 9,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.43 : 11,135.34 = 6,974.06 : x
  2. Step 2: Convert to fraction form
    8,089.43/11,135.34 = 6,974.06/x
  3. Step 3: Cross multiply
    8,089.43x = 11,135.34 × 6,974.06
  4. Step 4: Simplify right side
    8,089.43x = 77,658,473.60
  5. Step 5: Solve for x
    x = 77,658,473.60/8,089.43
  6. Step 6: Final answer
    x = 9,600.00

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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.