Home / 7,419.51-11,129.41-2,737.11

Finding the Fourth Proportional to 7,419.51, 11,129.41 and 2,737.11

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Solution

The fourth proportional to 7,419.51, 11,129.41 and 2,737.11 is: 4,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.51 : 11,129.41 = 2,737.11 : x
  2. Step 2: Convert to fraction form
    7,419.51/11,129.41 = 2,737.11/x
  3. Step 3: Cross multiply
    7,419.51x = 11,129.41 × 2,737.11
  4. Step 4: Simplify right side
    7,419.51x = 30,462,420.62
  5. Step 5: Solve for x
    x = 30,462,420.62/7,419.51
  6. Step 6: Final answer
    x = 4,105.72

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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.