Home / 6,936.60-9,571.86-3,953.10

Finding the Fourth Proportional to 6,936.60, 9,571.86 and 3,953.10

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Solution

The fourth proportional to 6,936.60, 9,571.86 and 3,953.10 is: 5,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.60 : 9,571.86 = 3,953.10 : x
  2. Step 2: Convert to fraction form
    6,936.60/9,571.86 = 3,953.10/x
  3. Step 3: Cross multiply
    6,936.60x = 9,571.86 × 3,953.10
  4. Step 4: Simplify right side
    6,936.60x = 37,838,519.77
  5. Step 5: Solve for x
    x = 37,838,519.77/6,936.60
  6. Step 6: Final answer
    x = 5,454.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.