Home / 4,727.31-7,090.16-1,263.75

Finding the Fourth Proportional to 4,727.31, 7,090.16 and 1,263.75

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Solution

The fourth proportional to 4,727.31, 7,090.16 and 1,263.75 is: 1,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.31 : 7,090.16 = 1,263.75 : x
  2. Step 2: Convert to fraction form
    4,727.31/7,090.16 = 1,263.75/x
  3. Step 3: Cross multiply
    4,727.31x = 7,090.16 × 1,263.75
  4. Step 4: Simplify right side
    4,727.31x = 8,960,183.38
  5. Step 5: Solve for x
    x = 8,960,183.38/4,727.31
  6. Step 6: Final answer
    x = 1,895.41

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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.