Home / 8,636.24-11,866.37-6,864.77

Finding the Fourth Proportional to 8,636.24, 11,866.37 and 6,864.77

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Solution

The fourth proportional to 8,636.24, 11,866.37 and 6,864.77 is: 9,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.24 : 11,866.37 = 6,864.77 : x
  2. Step 2: Convert to fraction form
    8,636.24/11,866.37 = 6,864.77/x
  3. Step 3: Cross multiply
    8,636.24x = 11,866.37 × 6,864.77
  4. Step 4: Simplify right side
    8,636.24x = 81,459,896.13
  5. Step 5: Solve for x
    x = 81,459,896.13/8,636.24
  6. Step 6: Final answer
    x = 9,432.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.