Home / 8,529.54-11,772.27-6,386.82

Finding the Fourth Proportional to 8,529.54, 11,772.27 and 6,386.82

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Solution

The fourth proportional to 8,529.54, 11,772.27 and 6,386.82 is: 8,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.54 : 11,772.27 = 6,386.82 : x
  2. Step 2: Convert to fraction form
    8,529.54/11,772.27 = 6,386.82/x
  3. Step 3: Cross multiply
    8,529.54x = 11,772.27 × 6,386.82
  4. Step 4: Simplify right side
    8,529.54x = 75,187,369.48
  5. Step 5: Solve for x
    x = 75,187,369.48/8,529.54
  6. Step 6: Final answer
    x = 8,814.94

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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.