Home / 8,434.30-12,644.58-3,166.36

Finding the Fourth Proportional to 8,434.30, 12,644.58 and 3,166.36

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Solution

The fourth proportional to 8,434.30, 12,644.58 and 3,166.36 is: 4,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.30 : 12,644.58 = 3,166.36 : x
  2. Step 2: Convert to fraction form
    8,434.30/12,644.58 = 3,166.36/x
  3. Step 3: Cross multiply
    8,434.30x = 12,644.58 × 3,166.36
  4. Step 4: Simplify right side
    8,434.30x = 40,037,292.33
  5. Step 5: Solve for x
    x = 40,037,292.33/8,434.30
  6. Step 6: Final answer
    x = 4,746.96

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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.