Home / 6,806.45-10,213.63-2,857.36

Finding the Fourth Proportional to 6,806.45, 10,213.63 and 2,857.36

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Solution

The fourth proportional to 6,806.45, 10,213.63 and 2,857.36 is: 4,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.45 : 10,213.63 = 2,857.36 : x
  2. Step 2: Convert to fraction form
    6,806.45/10,213.63 = 2,857.36/x
  3. Step 3: Cross multiply
    6,806.45x = 10,213.63 × 2,857.36
  4. Step 4: Simplify right side
    6,806.45x = 29,184,004.29
  5. Step 5: Solve for x
    x = 29,184,004.29/6,806.45
  6. Step 6: Final answer
    x = 4,287.70

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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.