Home / 4,238.97-6,359.12-1,316.58

Finding the Fourth Proportional to 4,238.97, 6,359.12 and 1,316.58

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Solution

The fourth proportional to 4,238.97, 6,359.12 and 1,316.58 is: 1,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.97 : 6,359.12 = 1,316.58 : x
  2. Step 2: Convert to fraction form
    4,238.97/6,359.12 = 1,316.58/x
  3. Step 3: Cross multiply
    4,238.97x = 6,359.12 × 1,316.58
  4. Step 4: Simplify right side
    4,238.97x = 8,372,283.63
  5. Step 5: Solve for x
    x = 8,372,283.63/4,238.97
  6. Step 6: Final answer
    x = 1,975.07

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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.