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Finding the Fourth Proportional to 5,262.70, 7,262.20 and 2,904.83

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Solution

The fourth proportional to 5,262.70, 7,262.20 and 2,904.83 is: 4,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.70 : 7,262.20 = 2,904.83 : x
  2. Step 2: Convert to fraction form
    5,262.70/7,262.20 = 2,904.83/x
  3. Step 3: Cross multiply
    5,262.70x = 7,262.20 × 2,904.83
  4. Step 4: Simplify right side
    5,262.70x = 21,095,456.43
  5. Step 5: Solve for x
    x = 21,095,456.43/5,262.70
  6. Step 6: Final answer
    x = 4,008.49

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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.