Home / 4,921.48-6,788.50-2,930.50

Finding the Fourth Proportional to 4,921.48, 6,788.50 and 2,930.50

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Solution

The fourth proportional to 4,921.48, 6,788.50 and 2,930.50 is: 4,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.48 : 6,788.50 = 2,930.50 : x
  2. Step 2: Convert to fraction form
    4,921.48/6,788.50 = 2,930.50/x
  3. Step 3: Cross multiply
    4,921.48x = 6,788.50 × 2,930.50
  4. Step 4: Simplify right side
    4,921.48x = 19,893,699.25
  5. Step 5: Solve for x
    x = 19,893,699.25/4,921.48
  6. Step 6: Final answer
    x = 4,042.22

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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.