Home / 6,688.62-10,042.65-4,939.02

Finding the Fourth Proportional to 6,688.62, 10,042.65 and 4,939.02

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Solution

The fourth proportional to 6,688.62, 10,042.65 and 4,939.02 is: 7,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.62 : 10,042.65 = 4,939.02 : x
  2. Step 2: Convert to fraction form
    6,688.62/10,042.65 = 4,939.02/x
  3. Step 3: Cross multiply
    6,688.62x = 10,042.65 × 4,939.02
  4. Step 4: Simplify right side
    6,688.62x = 49,600,849.20
  5. Step 5: Solve for x
    x = 49,600,849.20/6,688.62
  6. Step 6: Final answer
    x = 7,415.71

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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.