Home / 4,114.13-6,172.08-1,921.65

Finding the Fourth Proportional to 4,114.13, 6,172.08 and 1,921.65

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Solution

The fourth proportional to 4,114.13, 6,172.08 and 1,921.65 is: 2,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.13 : 6,172.08 = 1,921.65 : x
  2. Step 2: Convert to fraction form
    4,114.13/6,172.08 = 1,921.65/x
  3. Step 3: Cross multiply
    4,114.13x = 6,172.08 × 1,921.65
  4. Step 4: Simplify right side
    4,114.13x = 11,860,577.53
  5. Step 5: Solve for x
    x = 11,860,577.53/4,114.13
  6. Step 6: Final answer
    x = 2,882.89

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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.