Home / 4,087.11-6,130.66-1,314.02

Finding the Fourth Proportional to 4,087.11, 6,130.66 and 1,314.02

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Solution

The fourth proportional to 4,087.11, 6,130.66 and 1,314.02 is: 1,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.11 : 6,130.66 = 1,314.02 : x
  2. Step 2: Convert to fraction form
    4,087.11/6,130.66 = 1,314.02/x
  3. Step 3: Cross multiply
    4,087.11x = 6,130.66 × 1,314.02
  4. Step 4: Simplify right side
    4,087.11x = 8,055,828.05
  5. Step 5: Solve for x
    x = 8,055,828.05/4,087.11
  6. Step 6: Final answer
    x = 1,971.03

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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.