Home / 4,753.86-7,129.72-1,792.63

Finding the Fourth Proportional to 4,753.86, 7,129.72 and 1,792.63

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Solution

The fourth proportional to 4,753.86, 7,129.72 and 1,792.63 is: 2,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.86 : 7,129.72 = 1,792.63 : x
  2. Step 2: Convert to fraction form
    4,753.86/7,129.72 = 1,792.63/x
  3. Step 3: Cross multiply
    4,753.86x = 7,129.72 × 1,792.63
  4. Step 4: Simplify right side
    4,753.86x = 12,780,961.12
  5. Step 5: Solve for x
    x = 12,780,961.12/4,753.86
  6. Step 6: Final answer
    x = 2,688.55

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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.