Home / 4,753.16-7,129.74-1,290.92

Finding the Fourth Proportional to 4,753.16, 7,129.74 and 1,290.92

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Solution

The fourth proportional to 4,753.16, 7,129.74 and 1,290.92 is: 1,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.16 : 7,129.74 = 1,290.92 : x
  2. Step 2: Convert to fraction form
    4,753.16/7,129.74 = 1,290.92/x
  3. Step 3: Cross multiply
    4,753.16x = 7,129.74 × 1,290.92
  4. Step 4: Simplify right side
    4,753.16x = 9,203,923.96
  5. Step 5: Solve for x
    x = 9,203,923.96/4,753.16
  6. Step 6: Final answer
    x = 1,936.38

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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.