Home / 4,930.04-6,805.96-3,139.34

Finding the Fourth Proportional to 4,930.04, 6,805.96 and 3,139.34

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Solution

The fourth proportional to 4,930.04, 6,805.96 and 3,139.34 is: 4,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.04 : 6,805.96 = 3,139.34 : x
  2. Step 2: Convert to fraction form
    4,930.04/6,805.96 = 3,139.34/x
  3. Step 3: Cross multiply
    4,930.04x = 6,805.96 × 3,139.34
  4. Step 4: Simplify right side
    4,930.04x = 21,366,222.47
  5. Step 5: Solve for x
    x = 21,366,222.47/4,930.04
  6. Step 6: Final answer
    x = 4,333.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.