Home / 8,148.24-11,245.77-5,164.36

Finding the Fourth Proportional to 8,148.24, 11,245.77 and 5,164.36

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Solution

The fourth proportional to 8,148.24, 11,245.77 and 5,164.36 is: 7,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.24 : 11,245.77 = 5,164.36 : x
  2. Step 2: Convert to fraction form
    8,148.24/11,245.77 = 5,164.36/x
  3. Step 3: Cross multiply
    8,148.24x = 11,245.77 × 5,164.36
  4. Step 4: Simplify right side
    8,148.24x = 58,077,176.64
  5. Step 5: Solve for x
    x = 58,077,176.64/8,148.24
  6. Step 6: Final answer
    x = 7,127.57

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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.