Home / 4,118.45-6,174.83-2,172.02

Finding the Fourth Proportional to 4,118.45, 6,174.83 and 2,172.02

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Solution

The fourth proportional to 4,118.45, 6,174.83 and 2,172.02 is: 3,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.45 : 6,174.83 = 2,172.02 : x
  2. Step 2: Convert to fraction form
    4,118.45/6,174.83 = 2,172.02/x
  3. Step 3: Cross multiply
    4,118.45x = 6,174.83 × 2,172.02
  4. Step 4: Simplify right side
    4,118.45x = 13,411,828.81
  5. Step 5: Solve for x
    x = 13,411,828.81/4,118.45
  6. Step 6: Final answer
    x = 3,256.53

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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.