Home / 5,815.15-8,024.80-3,162.61

Finding the Fourth Proportional to 5,815.15, 8,024.80 and 3,162.61

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Solution

The fourth proportional to 5,815.15, 8,024.80 and 3,162.61 is: 4,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.15 : 8,024.80 = 3,162.61 : x
  2. Step 2: Convert to fraction form
    5,815.15/8,024.80 = 3,162.61/x
  3. Step 3: Cross multiply
    5,815.15x = 8,024.80 × 3,162.61
  4. Step 4: Simplify right side
    5,815.15x = 25,379,312.73
  5. Step 5: Solve for x
    x = 25,379,312.73/5,815.15
  6. Step 6: Final answer
    x = 4,364.34

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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.