Home / 6,118.99-9,172.17-2,419.72

Finding the Fourth Proportional to 6,118.99, 9,172.17 and 2,419.72

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Solution

The fourth proportional to 6,118.99, 9,172.17 and 2,419.72 is: 3,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.99 : 9,172.17 = 2,419.72 : x
  2. Step 2: Convert to fraction form
    6,118.99/9,172.17 = 2,419.72/x
  3. Step 3: Cross multiply
    6,118.99x = 9,172.17 × 2,419.72
  4. Step 4: Simplify right side
    6,118.99x = 22,194,083.19
  5. Step 5: Solve for x
    x = 22,194,083.19/6,118.99
  6. Step 6: Final answer
    x = 3,627.08

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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.