Home / 8,324.34-11,490.15-4,789.91

Finding the Fourth Proportional to 8,324.34, 11,490.15 and 4,789.91

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Solution

The fourth proportional to 8,324.34, 11,490.15 and 4,789.91 is: 6,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.34 : 11,490.15 = 4,789.91 : x
  2. Step 2: Convert to fraction form
    8,324.34/11,490.15 = 4,789.91/x
  3. Step 3: Cross multiply
    8,324.34x = 11,490.15 × 4,789.91
  4. Step 4: Simplify right side
    8,324.34x = 55,036,726.94
  5. Step 5: Solve for x
    x = 55,036,726.94/8,324.34
  6. Step 6: Final answer
    x = 6,611.54

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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.