Home / 8,730.45-13,095.32-2,156.46

Finding the Fourth Proportional to 8,730.45, 13,095.32 and 2,156.46

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Solution

The fourth proportional to 8,730.45, 13,095.32 and 2,156.46 is: 3,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.45 : 13,095.32 = 2,156.46 : x
  2. Step 2: Convert to fraction form
    8,730.45/13,095.32 = 2,156.46/x
  3. Step 3: Cross multiply
    8,730.45x = 13,095.32 × 2,156.46
  4. Step 4: Simplify right side
    8,730.45x = 28,239,555.72
  5. Step 5: Solve for x
    x = 28,239,555.72/8,730.45
  6. Step 6: Final answer
    x = 3,234.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.