Home / 4,930.40-7,377.08-2,948.74

Finding the Fourth Proportional to 4,930.40, 7,377.08 and 2,948.74

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Solution

The fourth proportional to 4,930.40, 7,377.08 and 2,948.74 is: 4,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.40 : 7,377.08 = 2,948.74 : x
  2. Step 2: Convert to fraction form
    4,930.40/7,377.08 = 2,948.74/x
  3. Step 3: Cross multiply
    4,930.40x = 7,377.08 × 2,948.74
  4. Step 4: Simplify right side
    4,930.40x = 21,753,057.69
  5. Step 5: Solve for x
    x = 21,753,057.69/4,930.40
  6. Step 6: Final answer
    x = 4,412.02

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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.