Home / 8,685.42-13,027.49-2,762.07

Finding the Fourth Proportional to 8,685.42, 13,027.49 and 2,762.07

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Solution

The fourth proportional to 8,685.42, 13,027.49 and 2,762.07 is: 4,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.42 : 13,027.49 = 2,762.07 : x
  2. Step 2: Convert to fraction form
    8,685.42/13,027.49 = 2,762.07/x
  3. Step 3: Cross multiply
    8,685.42x = 13,027.49 × 2,762.07
  4. Step 4: Simplify right side
    8,685.42x = 35,982,825.49
  5. Step 5: Solve for x
    x = 35,982,825.49/8,685.42
  6. Step 6: Final answer
    x = 4,142.90

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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.