Home / 8,677.22-11,969.18-6,406.24

Finding the Fourth Proportional to 8,677.22, 11,969.18 and 6,406.24

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Solution

The fourth proportional to 8,677.22, 11,969.18 and 6,406.24 is: 8,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.22 : 11,969.18 = 6,406.24 : x
  2. Step 2: Convert to fraction form
    8,677.22/11,969.18 = 6,406.24/x
  3. Step 3: Cross multiply
    8,677.22x = 11,969.18 × 6,406.24
  4. Step 4: Simplify right side
    8,677.22x = 76,677,439.68
  5. Step 5: Solve for x
    x = 76,677,439.68/8,677.22
  6. Step 6: Final answer
    x = 8,836.64

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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.