Home / 8,276.37-12,415.56-2,730.30

Finding the Fourth Proportional to 8,276.37, 12,415.56 and 2,730.30

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Solution

The fourth proportional to 8,276.37, 12,415.56 and 2,730.30 is: 4,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.37 : 12,415.56 = 2,730.30 : x
  2. Step 2: Convert to fraction form
    8,276.37/12,415.56 = 2,730.30/x
  3. Step 3: Cross multiply
    8,276.37x = 12,415.56 × 2,730.30
  4. Step 4: Simplify right side
    8,276.37x = 33,898,203.47
  5. Step 5: Solve for x
    x = 33,898,203.47/8,276.37
  6. Step 6: Final answer
    x = 4,095.78

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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.