Home / 4,137.60-6,190.80-2,907.36

Finding the Fourth Proportional to 4,137.60, 6,190.80 and 2,907.36

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Solution

The fourth proportional to 4,137.60, 6,190.80 and 2,907.36 is: 4,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.60 : 6,190.80 = 2,907.36 : x
  2. Step 2: Convert to fraction form
    4,137.60/6,190.80 = 2,907.36/x
  3. Step 3: Cross multiply
    4,137.60x = 6,190.80 × 2,907.36
  4. Step 4: Simplify right side
    4,137.60x = 17,998,884.29
  5. Step 5: Solve for x
    x = 17,998,884.29/4,137.60
  6. Step 6: Final answer
    x = 4,350.08

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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.