Home / 4,276.79-6,415.82-1,937.60

Finding the Fourth Proportional to 4,276.79, 6,415.82 and 1,937.60

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Solution

The fourth proportional to 4,276.79, 6,415.82 and 1,937.60 is: 2,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.79 : 6,415.82 = 1,937.60 : x
  2. Step 2: Convert to fraction form
    4,276.79/6,415.82 = 1,937.60/x
  3. Step 3: Cross multiply
    4,276.79x = 6,415.82 × 1,937.60
  4. Step 4: Simplify right side
    4,276.79x = 12,431,292.83
  5. Step 5: Solve for x
    x = 12,431,292.83/4,276.79
  6. Step 6: Final answer
    x = 2,906.69

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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.