Home / 6,525.32-9,786.84-2,142.20

Finding the Fourth Proportional to 6,525.32, 9,786.84 and 2,142.20

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Solution

The fourth proportional to 6,525.32, 9,786.84 and 2,142.20 is: 3,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.32 : 9,786.84 = 2,142.20 : x
  2. Step 2: Convert to fraction form
    6,525.32/9,786.84 = 2,142.20/x
  3. Step 3: Cross multiply
    6,525.32x = 9,786.84 × 2,142.20
  4. Step 4: Simplify right side
    6,525.32x = 20,965,368.65
  5. Step 5: Solve for x
    x = 20,965,368.65/6,525.32
  6. Step 6: Final answer
    x = 3,212.93

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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.