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Finding the Fourth Proportional to 4,873.92, 7,290.81 and 4,053.30

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Solution

The fourth proportional to 4,873.92, 7,290.81 and 4,053.30 is: 6,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,873.92 : 7,290.81 = 4,053.30 : x
  2. Step 2: Convert to fraction form
    4,873.92/7,290.81 = 4,053.30/x
  3. Step 3: Cross multiply
    4,873.92x = 7,290.81 × 4,053.30
  4. Step 4: Simplify right side
    4,873.92x = 29,551,840.17
  5. Step 5: Solve for x
    x = 29,551,840.17/4,873.92
  6. Step 6: Final answer
    x = 6,063.26

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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.