Home / 4,275.82-6,415.76-2,961.60

Finding the Fourth Proportional to 4,275.82, 6,415.76 and 2,961.60

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Solution

The fourth proportional to 4,275.82, 6,415.76 and 2,961.60 is: 4,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.82 : 6,415.76 = 2,961.60 : x
  2. Step 2: Convert to fraction form
    4,275.82/6,415.76 = 2,961.60/x
  3. Step 3: Cross multiply
    4,275.82x = 6,415.76 × 2,961.60
  4. Step 4: Simplify right side
    4,275.82x = 19,000,898.16
  5. Step 5: Solve for x
    x = 19,000,898.16/4,275.82
  6. Step 6: Final answer
    x = 4,443.80

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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.