Home / 3,889.53-5,833.35-1,115.55

Finding the Fourth Proportional to 3,889.53, 5,833.35 and 1,115.55

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Solution

The fourth proportional to 3,889.53, 5,833.35 and 1,115.55 is: 1,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.53 : 5,833.35 = 1,115.55 : x
  2. Step 2: Convert to fraction form
    3,889.53/5,833.35 = 1,115.55/x
  3. Step 3: Cross multiply
    3,889.53x = 5,833.35 × 1,115.55
  4. Step 4: Simplify right side
    3,889.53x = 6,507,393.59
  5. Step 5: Solve for x
    x = 6,507,393.59/3,889.53
  6. Step 6: Final answer
    x = 1,673.05

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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.