Home / 8,276.49-12,415.55-2,727.57

Finding the Fourth Proportional to 8,276.49, 12,415.55 and 2,727.57

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Solution

The fourth proportional to 8,276.49, 12,415.55 and 2,727.57 is: 4,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.49 : 12,415.55 = 2,727.57 : x
  2. Step 2: Convert to fraction form
    8,276.49/12,415.55 = 2,727.57/x
  3. Step 3: Cross multiply
    8,276.49x = 12,415.55 × 2,727.57
  4. Step 4: Simplify right side
    8,276.49x = 33,864,281.71
  5. Step 5: Solve for x
    x = 33,864,281.71/8,276.49
  6. Step 6: Final answer
    x = 4,091.62

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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.