Home / 6,099.89-9,145.40-4,120.63

Finding the Fourth Proportional to 6,099.89, 9,145.40 and 4,120.63

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Solution

The fourth proportional to 6,099.89, 9,145.40 and 4,120.63 is: 6,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,099.89 : 9,145.40 = 4,120.63 : x
  2. Step 2: Convert to fraction form
    6,099.89/9,145.40 = 4,120.63/x
  3. Step 3: Cross multiply
    6,099.89x = 9,145.40 × 4,120.63
  4. Step 4: Simplify right side
    6,099.89x = 37,684,766.14
  5. Step 5: Solve for x
    x = 37,684,766.14/6,099.89
  6. Step 6: Final answer
    x = 6,177.95

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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.