Home / 8,239.11-11,388.66-7,585.19

Finding the Fourth Proportional to 8,239.11, 11,388.66 and 7,585.19

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Solution

The fourth proportional to 8,239.11, 11,388.66 and 7,585.19 is: 10,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.11 : 11,388.66 = 7,585.19 : x
  2. Step 2: Convert to fraction form
    8,239.11/11,388.66 = 7,585.19/x
  3. Step 3: Cross multiply
    8,239.11x = 11,388.66 × 7,585.19
  4. Step 4: Simplify right side
    8,239.11x = 86,385,093.00
  5. Step 5: Solve for x
    x = 86,385,093.00/8,239.11
  6. Step 6: Final answer
    x = 10,484.76

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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.