Home / 4,627.38-6,940.05-2,159.88

Finding the Fourth Proportional to 4,627.38, 6,940.05 and 2,159.88

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Solution

The fourth proportional to 4,627.38, 6,940.05 and 2,159.88 is: 3,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.38 : 6,940.05 = 2,159.88 : x
  2. Step 2: Convert to fraction form
    4,627.38/6,940.05 = 2,159.88/x
  3. Step 3: Cross multiply
    4,627.38x = 6,940.05 × 2,159.88
  4. Step 4: Simplify right side
    4,627.38x = 14,989,675.19
  5. Step 5: Solve for x
    x = 14,989,675.19/4,627.38
  6. Step 6: Final answer
    x = 3,239.34

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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.