Home / 6,975.32-10,454.47-3,855.20

Finding the Fourth Proportional to 6,975.32, 10,454.47 and 3,855.20

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Solution

The fourth proportional to 6,975.32, 10,454.47 and 3,855.20 is: 5,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.32 : 10,454.47 = 3,855.20 : x
  2. Step 2: Convert to fraction form
    6,975.32/10,454.47 = 3,855.20/x
  3. Step 3: Cross multiply
    6,975.32x = 10,454.47 × 3,855.20
  4. Step 4: Simplify right side
    6,975.32x = 40,304,010.83
  5. Step 5: Solve for x
    x = 40,304,010.83/6,975.32
  6. Step 6: Final answer
    x = 5,778.09

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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.