Home / 6,845.90-10,272.81-2,688.74

Finding the Fourth Proportional to 6,845.90, 10,272.81 and 2,688.74

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Solution

The fourth proportional to 6,845.90, 10,272.81 and 2,688.74 is: 4,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.90 : 10,272.81 = 2,688.74 : x
  2. Step 2: Convert to fraction form
    6,845.90/10,272.81 = 2,688.74/x
  3. Step 3: Cross multiply
    6,845.90x = 10,272.81 × 2,688.74
  4. Step 4: Simplify right side
    6,845.90x = 27,620,863.80
  5. Step 5: Solve for x
    x = 27,620,863.80/6,845.90
  6. Step 6: Final answer
    x = 4,034.66

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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.