Home / 4,110.60-6,167.70-1,918.20

Finding the Fourth Proportional to 4,110.60, 6,167.70 and 1,918.20

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Solution

The fourth proportional to 4,110.60, 6,167.70 and 1,918.20 is: 2,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110.60 : 6,167.70 = 1,918.20 : x
  2. Step 2: Convert to fraction form
    4,110.60/6,167.70 = 1,918.20/x
  3. Step 3: Cross multiply
    4,110.60x = 6,167.70 × 1,918.20
  4. Step 4: Simplify right side
    4,110.60x = 11,830,882.14
  5. Step 5: Solve for x
    x = 11,830,882.14/4,110.60
  6. Step 6: Final answer
    x = 2,878.14

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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.