Home / 6,892.22-9,507.40-4,239.12

Finding the Fourth Proportional to 6,892.22, 9,507.40 and 4,239.12

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Solution

The fourth proportional to 6,892.22, 9,507.40 and 4,239.12 is: 5,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.22 : 9,507.40 = 4,239.12 : x
  2. Step 2: Convert to fraction form
    6,892.22/9,507.40 = 4,239.12/x
  3. Step 3: Cross multiply
    6,892.22x = 9,507.40 × 4,239.12
  4. Step 4: Simplify right side
    6,892.22x = 40,303,009.49
  5. Step 5: Solve for x
    x = 40,303,009.49/6,892.22
  6. Step 6: Final answer
    x = 5,847.61

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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.