Home / 6,919.38-9,548.74-3,775.56

Finding the Fourth Proportional to 6,919.38, 9,548.74 and 3,775.56

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Solution

The fourth proportional to 6,919.38, 9,548.74 and 3,775.56 is: 5,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.38 : 9,548.74 = 3,775.56 : x
  2. Step 2: Convert to fraction form
    6,919.38/9,548.74 = 3,775.56/x
  3. Step 3: Cross multiply
    6,919.38x = 9,548.74 × 3,775.56
  4. Step 4: Simplify right side
    6,919.38x = 36,051,840.79
  5. Step 5: Solve for x
    x = 36,051,840.79/6,919.38
  6. Step 6: Final answer
    x = 5,210.27

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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.