Home / 3,785.55-5,223.40-3,479.33

Finding the Fourth Proportional to 3,785.55, 5,223.40 and 3,479.33

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Solution

The fourth proportional to 3,785.55, 5,223.40 and 3,479.33 is: 4,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.55 : 5,223.40 = 3,479.33 : x
  2. Step 2: Convert to fraction form
    3,785.55/5,223.40 = 3,479.33/x
  3. Step 3: Cross multiply
    3,785.55x = 5,223.40 × 3,479.33
  4. Step 4: Simplify right side
    3,785.55x = 18,173,927.96
  5. Step 5: Solve for x
    x = 18,173,927.96/3,785.55
  6. Step 6: Final answer
    x = 4,800.87

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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.