Home / 4,863.81-7,289.56-3,108.14

Finding the Fourth Proportional to 4,863.81, 7,289.56 and 3,108.14

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Solution

The fourth proportional to 4,863.81, 7,289.56 and 3,108.14 is: 4,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.81 : 7,289.56 = 3,108.14 : x
  2. Step 2: Convert to fraction form
    4,863.81/7,289.56 = 3,108.14/x
  3. Step 3: Cross multiply
    4,863.81x = 7,289.56 × 3,108.14
  4. Step 4: Simplify right side
    4,863.81x = 22,656,973.02
  5. Step 5: Solve for x
    x = 22,656,973.02/4,863.81
  6. Step 6: Final answer
    x = 4,658.28

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1.5x scale

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.