Home / 7,033.23-9,705.42-3,889.53

Finding the Fourth Proportional to 7,033.23, 9,705.42 and 3,889.53

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Solution

The fourth proportional to 7,033.23, 9,705.42 and 3,889.53 is: 5,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,033.23 : 9,705.42 = 3,889.53 : x
  2. Step 2: Convert to fraction form
    7,033.23/9,705.42 = 3,889.53/x
  3. Step 3: Cross multiply
    7,033.23x = 9,705.42 × 3,889.53
  4. Step 4: Simplify right side
    7,033.23x = 37,749,522.25
  5. Step 5: Solve for x
    x = 37,749,522.25/7,033.23
  6. Step 6: Final answer
    x = 5,367.31

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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.