Home / 6,720.21-10,071.07-3,426.37

Finding the Fourth Proportional to 6,720.21, 10,071.07 and 3,426.37

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Solution

The fourth proportional to 6,720.21, 10,071.07 and 3,426.37 is: 5,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.21 : 10,071.07 = 3,426.37 : x
  2. Step 2: Convert to fraction form
    6,720.21/10,071.07 = 3,426.37/x
  3. Step 3: Cross multiply
    6,720.21x = 10,071.07 × 3,426.37
  4. Step 4: Simplify right side
    6,720.21x = 34,507,178.37
  5. Step 5: Solve for x
    x = 34,507,178.37/6,720.21
  6. Step 6: Final answer
    x = 5,134.84

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1.5x scale

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.