Home / 8,666.30-12,998.45-2,426.82

Finding the Fourth Proportional to 8,666.30, 12,998.45 and 2,426.82

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Solution

The fourth proportional to 8,666.30, 12,998.45 and 2,426.82 is: 3,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.30 : 12,998.45 = 2,426.82 : x
  2. Step 2: Convert to fraction form
    8,666.30/12,998.45 = 2,426.82/x
  3. Step 3: Cross multiply
    8,666.30x = 12,998.45 × 2,426.82
  4. Step 4: Simplify right side
    8,666.30x = 31,544,855.75
  5. Step 5: Solve for x
    x = 31,544,855.75/8,666.30
  6. Step 6: Final answer
    x = 3,639.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.