Home / 8,165.63-11,268.57-4,439.63

Finding the Fourth Proportional to 8,165.63, 11,268.57 and 4,439.63

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Solution

The fourth proportional to 8,165.63, 11,268.57 and 4,439.63 is: 6,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.63 : 11,268.57 = 4,439.63 : x
  2. Step 2: Convert to fraction form
    8,165.63/11,268.57 = 4,439.63/x
  3. Step 3: Cross multiply
    8,165.63x = 11,268.57 × 4,439.63
  4. Step 4: Simplify right side
    8,165.63x = 50,028,225.09
  5. Step 5: Solve for x
    x = 50,028,225.09/8,165.63
  6. Step 6: Final answer
    x = 6,126.69

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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.