Home / 6,147.04-8,480.48-3,785.08

Finding the Fourth Proportional to 6,147.04, 8,480.48 and 3,785.08

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Solution

The fourth proportional to 6,147.04, 8,480.48 and 3,785.08 is: 5,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.04 : 8,480.48 = 3,785.08 : x
  2. Step 2: Convert to fraction form
    6,147.04/8,480.48 = 3,785.08/x
  3. Step 3: Cross multiply
    6,147.04x = 8,480.48 × 3,785.08
  4. Step 4: Simplify right side
    6,147.04x = 32,099,295.24
  5. Step 5: Solve for x
    x = 32,099,295.24/6,147.04
  6. Step 6: Final answer
    x = 5,221.91

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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.