Home / 8,278.52-12,415.08-2,730.60

Finding the Fourth Proportional to 8,278.52, 12,415.08 and 2,730.60

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Solution

The fourth proportional to 8,278.52, 12,415.08 and 2,730.60 is: 4,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.52 : 12,415.08 = 2,730.60 : x
  2. Step 2: Convert to fraction form
    8,278.52/12,415.08 = 2,730.60/x
  3. Step 3: Cross multiply
    8,278.52x = 12,415.08 × 2,730.60
  4. Step 4: Simplify right side
    8,278.52x = 33,900,617.45
  5. Step 5: Solve for x
    x = 33,900,617.45/8,278.52
  6. Step 6: Final answer
    x = 4,095.01

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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.