Home / 6,730.29-9,288.62-4,077.69

Finding the Fourth Proportional to 6,730.29, 9,288.62 and 4,077.69

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Solution

The fourth proportional to 6,730.29, 9,288.62 and 4,077.69 is: 5,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.29 : 9,288.62 = 4,077.69 : x
  2. Step 2: Convert to fraction form
    6,730.29/9,288.62 = 4,077.69/x
  3. Step 3: Cross multiply
    6,730.29x = 9,288.62 × 4,077.69
  4. Step 4: Simplify right side
    6,730.29x = 37,876,148.14
  5. Step 5: Solve for x
    x = 37,876,148.14/6,730.29
  6. Step 6: Final answer
    x = 5,627.71

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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.