Home / 4,727.57-7,090.61-1,805.22

Finding the Fourth Proportional to 4,727.57, 7,090.61 and 1,805.22

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Solution

The fourth proportional to 4,727.57, 7,090.61 and 1,805.22 is: 2,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.57 : 7,090.61 = 1,805.22 : x
  2. Step 2: Convert to fraction form
    4,727.57/7,090.61 = 1,805.22/x
  3. Step 3: Cross multiply
    4,727.57x = 7,090.61 × 1,805.22
  4. Step 4: Simplify right side
    4,727.57x = 12,800,101.96
  5. Step 5: Solve for x
    x = 12,800,101.96/4,727.57
  6. Step 6: Final answer
    x = 2,707.55

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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.