Home / 6,099.09-9,138.12-4,120.35

Finding the Fourth Proportional to 6,099.09, 9,138.12 and 4,120.35

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Solution

The fourth proportional to 6,099.09, 9,138.12 and 4,120.35 is: 6,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,099.09 : 9,138.12 = 4,120.35 : x
  2. Step 2: Convert to fraction form
    6,099.09/9,138.12 = 4,120.35/x
  3. Step 3: Cross multiply
    6,099.09x = 9,138.12 × 4,120.35
  4. Step 4: Simplify right side
    6,099.09x = 37,652,252.74
  5. Step 5: Solve for x
    x = 37,652,252.74/6,099.09
  6. Step 6: Final answer
    x = 6,173.42

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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.