Home / 6,276.44-9,415.52-2,117.63

Finding the Fourth Proportional to 6,276.44, 9,415.52 and 2,117.63

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Solution

The fourth proportional to 6,276.44, 9,415.52 and 2,117.63 is: 3,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.44 : 9,415.52 = 2,117.63 : x
  2. Step 2: Convert to fraction form
    6,276.44/9,415.52 = 2,117.63/x
  3. Step 3: Cross multiply
    6,276.44x = 9,415.52 × 2,117.63
  4. Step 4: Simplify right side
    6,276.44x = 19,938,529.95
  5. Step 5: Solve for x
    x = 19,938,529.95/6,276.44
  6. Step 6: Final answer
    x = 3,176.73

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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.