Home / 6,720.04-10,069.26-3,789.64

Finding the Fourth Proportional to 6,720.04, 10,069.26 and 3,789.64

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Solution

The fourth proportional to 6,720.04, 10,069.26 and 3,789.64 is: 5,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.04 : 10,069.26 = 3,789.64 : x
  2. Step 2: Convert to fraction form
    6,720.04/10,069.26 = 3,789.64/x
  3. Step 3: Cross multiply
    6,720.04x = 10,069.26 × 3,789.64
  4. Step 4: Simplify right side
    6,720.04x = 38,158,870.47
  5. Step 5: Solve for x
    x = 38,158,870.47/6,720.04
  6. Step 6: Final answer
    x = 5,678.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.