Home / 6,936.01-10,400.81-2,772.50

Finding the Fourth Proportional to 6,936.01, 10,400.81 and 2,772.50

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Solution

The fourth proportional to 6,936.01, 10,400.81 and 2,772.50 is: 4,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.01 : 10,400.81 = 2,772.50 : x
  2. Step 2: Convert to fraction form
    6,936.01/10,400.81 = 2,772.50/x
  3. Step 3: Cross multiply
    6,936.01x = 10,400.81 × 2,772.50
  4. Step 4: Simplify right side
    6,936.01x = 28,836,257.86
  5. Step 5: Solve for x
    x = 28,836,257.86/6,936.01
  6. Step 6: Final answer
    x = 4,157.47

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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.