Home / 6,120.36-8,445.90-3,467.58

Finding the Fourth Proportional to 6,120.36, 8,445.90 and 3,467.58

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Solution

The fourth proportional to 6,120.36, 8,445.90 and 3,467.58 is: 4,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.36 : 8,445.90 = 3,467.58 : x
  2. Step 2: Convert to fraction form
    6,120.36/8,445.90 = 3,467.58/x
  3. Step 3: Cross multiply
    6,120.36x = 8,445.90 × 3,467.58
  4. Step 4: Simplify right side
    6,120.36x = 29,286,833.92
  5. Step 5: Solve for x
    x = 29,286,833.92/6,120.36
  6. Step 6: Final answer
    x = 4,785.15

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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.