Home / 6,919.64-9,549.06-3,775.83

Finding the Fourth Proportional to 6,919.64, 9,549.06 and 3,775.83

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Solution

The fourth proportional to 6,919.64, 9,549.06 and 3,775.83 is: 5,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.64 : 9,549.06 = 3,775.83 : x
  2. Step 2: Convert to fraction form
    6,919.64/9,549.06 = 3,775.83/x
  3. Step 3: Cross multiply
    6,919.64x = 9,549.06 × 3,775.83
  4. Step 4: Simplify right side
    6,919.64x = 36,055,627.22
  5. Step 5: Solve for x
    x = 36,055,627.22/6,919.64
  6. Step 6: Final answer
    x = 5,210.63

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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.