Home / 8,137.58-11,229.33-4,551.92

Finding the Fourth Proportional to 8,137.58, 11,229.33 and 4,551.92

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Solution

The fourth proportional to 8,137.58, 11,229.33 and 4,551.92 is: 6,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.58 : 11,229.33 = 4,551.92 : x
  2. Step 2: Convert to fraction form
    8,137.58/11,229.33 = 4,551.92/x
  3. Step 3: Cross multiply
    8,137.58x = 11,229.33 × 4,551.92
  4. Step 4: Simplify right side
    8,137.58x = 51,114,932.91
  5. Step 5: Solve for x
    x = 51,114,932.91/8,137.58
  6. Step 6: Final answer
    x = 6,281.35

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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.