Home / 6,138.88-9,166.72-4,825.60

Finding the Fourth Proportional to 6,138.88, 9,166.72 and 4,825.60

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Solution

The fourth proportional to 6,138.88, 9,166.72 and 4,825.60 is: 7,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.88 : 9,166.72 = 4,825.60 : x
  2. Step 2: Convert to fraction form
    6,138.88/9,166.72 = 4,825.60/x
  3. Step 3: Cross multiply
    6,138.88x = 9,166.72 × 4,825.60
  4. Step 4: Simplify right side
    6,138.88x = 44,234,924.03
  5. Step 5: Solve for x
    x = 44,234,924.03/6,138.88
  6. Step 6: Final answer
    x = 7,205.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.