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Finding the Fourth Proportional to 5,262.86, 7,262.49 and 3,023.15

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Solution

The fourth proportional to 5,262.86, 7,262.49 and 3,023.15 is: 4,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.86 : 7,262.49 = 3,023.15 : x
  2. Step 2: Convert to fraction form
    5,262.86/7,262.49 = 3,023.15/x
  3. Step 3: Cross multiply
    5,262.86x = 7,262.49 × 3,023.15
  4. Step 4: Simplify right side
    5,262.86x = 21,955,560.33
  5. Step 5: Solve for x
    x = 21,955,560.33/5,262.86
  6. Step 6: Final answer
    x = 4,171.80

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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.