Home / 4,458.93-6,688.23-2,120.61

Finding the Fourth Proportional to 4,458.93, 6,688.23 and 2,120.61

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Solution

The fourth proportional to 4,458.93, 6,688.23 and 2,120.61 is: 3,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.93 : 6,688.23 = 2,120.61 : x
  2. Step 2: Convert to fraction form
    4,458.93/6,688.23 = 2,120.61/x
  3. Step 3: Cross multiply
    4,458.93x = 6,688.23 × 2,120.61
  4. Step 4: Simplify right side
    4,458.93x = 14,183,127.42
  5. Step 5: Solve for x
    x = 14,183,127.42/4,458.93
  6. Step 6: Final answer
    x = 3,180.84

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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.