Home / 7,782.14-10,739.65-4,425.26

Finding the Fourth Proportional to 7,782.14, 10,739.65 and 4,425.26

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Solution

The fourth proportional to 7,782.14, 10,739.65 and 4,425.26 is: 6,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.14 : 10,739.65 = 4,425.26 : x
  2. Step 2: Convert to fraction form
    7,782.14/10,739.65 = 4,425.26/x
  3. Step 3: Cross multiply
    7,782.14x = 10,739.65 × 4,425.26
  4. Step 4: Simplify right side
    7,782.14x = 47,525,687.09
  5. Step 5: Solve for x
    x = 47,525,687.09/7,782.14
  6. Step 6: Final answer
    x = 6,107.02

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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.