Home / 8,644.20-11,929.29-4,867.07

Finding the Fourth Proportional to 8,644.20, 11,929.29 and 4,867.07

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Solution

The fourth proportional to 8,644.20, 11,929.29 and 4,867.07 is: 6,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.20 : 11,929.29 = 4,867.07 : x
  2. Step 2: Convert to fraction form
    8,644.20/11,929.29 = 4,867.07/x
  3. Step 3: Cross multiply
    8,644.20x = 11,929.29 × 4,867.07
  4. Step 4: Simplify right side
    8,644.20x = 58,060,629.83
  5. Step 5: Solve for x
    x = 58,060,629.83/8,644.20
  6. Step 6: Final answer
    x = 6,716.72

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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.