Home / 4,874.81-7,312.98-2,102.27

Finding the Fourth Proportional to 4,874.81, 7,312.98 and 2,102.27

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Solution

The fourth proportional to 4,874.81, 7,312.98 and 2,102.27 is: 3,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.81 : 7,312.98 = 2,102.27 : x
  2. Step 2: Convert to fraction form
    4,874.81/7,312.98 = 2,102.27/x
  3. Step 3: Cross multiply
    4,874.81x = 7,312.98 × 2,102.27
  4. Step 4: Simplify right side
    4,874.81x = 15,373,858.46
  5. Step 5: Solve for x
    x = 15,373,858.46/4,874.81
  6. Step 6: Final answer
    x = 3,153.73

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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.