Home / 6,919.42-9,548.88-3,775.66

Finding the Fourth Proportional to 6,919.42, 9,548.88 and 3,775.66

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Solution

The fourth proportional to 6,919.42, 9,548.88 and 3,775.66 is: 5,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.42 : 9,548.88 = 3,775.66 : x
  2. Step 2: Convert to fraction form
    6,919.42/9,548.88 = 3,775.66/x
  3. Step 3: Cross multiply
    6,919.42x = 9,548.88 × 3,775.66
  4. Step 4: Simplify right side
    6,919.42x = 36,053,324.26
  5. Step 5: Solve for x
    x = 36,053,324.26/6,919.42
  6. Step 6: Final answer
    x = 5,210.45

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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.