Home / 6,730.33-9,288.60-4,079.20

Finding the Fourth Proportional to 6,730.33, 9,288.60 and 4,079.20

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Solution

The fourth proportional to 6,730.33, 9,288.60 and 4,079.20 is: 5,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.33 : 9,288.60 = 4,079.20 : x
  2. Step 2: Convert to fraction form
    6,730.33/9,288.60 = 4,079.20/x
  3. Step 3: Cross multiply
    6,730.33x = 9,288.60 × 4,079.20
  4. Step 4: Simplify right side
    6,730.33x = 37,890,057.12
  5. Step 5: Solve for x
    x = 37,890,057.12/6,730.33
  6. Step 6: Final answer
    x = 5,629.75

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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.