Home / 7,339.56-10,128.32-3,982.26

Finding the Fourth Proportional to 7,339.56, 10,128.32 and 3,982.26

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Solution

The fourth proportional to 7,339.56, 10,128.32 and 3,982.26 is: 5,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.56 : 10,128.32 = 3,982.26 : x
  2. Step 2: Convert to fraction form
    7,339.56/10,128.32 = 3,982.26/x
  3. Step 3: Cross multiply
    7,339.56x = 10,128.32 × 3,982.26
  4. Step 4: Simplify right side
    7,339.56x = 40,333,625.41
  5. Step 5: Solve for x
    x = 40,333,625.41/7,339.56
  6. Step 6: Final answer
    x = 5,495.37

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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.