Home / 7,106.25-9,806.63-3,962.37

Finding the Fourth Proportional to 7,106.25, 9,806.63 and 3,962.37

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Solution

The fourth proportional to 7,106.25, 9,806.63 and 3,962.37 is: 5,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.25 : 9,806.63 = 3,962.37 : x
  2. Step 2: Convert to fraction form
    7,106.25/9,806.63 = 3,962.37/x
  3. Step 3: Cross multiply
    7,106.25x = 9,806.63 × 3,962.37
  4. Step 4: Simplify right side
    7,106.25x = 38,857,496.51
  5. Step 5: Solve for x
    x = 38,857,496.51/7,106.25
  6. Step 6: Final answer
    x = 5,468.07

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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.