Home / 8,115.54-11,199.59-4,760.77

Finding the Fourth Proportional to 8,115.54, 11,199.59 and 4,760.77

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Solution

The fourth proportional to 8,115.54, 11,199.59 and 4,760.77 is: 6,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.54 : 11,199.59 = 4,760.77 : x
  2. Step 2: Convert to fraction form
    8,115.54/11,199.59 = 4,760.77/x
  3. Step 3: Cross multiply
    8,115.54x = 11,199.59 × 4,760.77
  4. Step 4: Simplify right side
    8,115.54x = 53,318,672.08
  5. Step 5: Solve for x
    x = 53,318,672.08/8,115.54
  6. Step 6: Final answer
    x = 6,569.95

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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.