Home / 7,404.19-10,217.79-4,260.38

Finding the Fourth Proportional to 7,404.19, 10,217.79 and 4,260.38

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Solution

The fourth proportional to 7,404.19, 10,217.79 and 4,260.38 is: 5,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.19 : 10,217.79 = 4,260.38 : x
  2. Step 2: Convert to fraction form
    7,404.19/10,217.79 = 4,260.38/x
  3. Step 3: Cross multiply
    7,404.19x = 10,217.79 × 4,260.38
  4. Step 4: Simplify right side
    7,404.19x = 43,531,617.07
  5. Step 5: Solve for x
    x = 43,531,617.07/7,404.19
  6. Step 6: Final answer
    x = 5,879.32

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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.