Home / 8,424.83-12,644.90-4,267.73

Finding the Fourth Proportional to 8,424.83, 12,644.90 and 4,267.73

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Solution

The fourth proportional to 8,424.83, 12,644.90 and 4,267.73 is: 6,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.83 : 12,644.90 = 4,267.73 : x
  2. Step 2: Convert to fraction form
    8,424.83/12,644.90 = 4,267.73/x
  3. Step 3: Cross multiply
    8,424.83x = 12,644.90 × 4,267.73
  4. Step 4: Simplify right side
    8,424.83x = 53,964,934.51
  5. Step 5: Solve for x
    x = 53,964,934.51/8,424.83
  6. Step 6: Final answer
    x = 6,405.47

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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.