Home / 8,146.24-11,271.44-7,100.48

Finding the Fourth Proportional to 8,146.24, 11,271.44 and 7,100.48

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Solution

The fourth proportional to 8,146.24, 11,271.44 and 7,100.48 is: 9,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.24 : 11,271.44 = 7,100.48 : x
  2. Step 2: Convert to fraction form
    8,146.24/11,271.44 = 7,100.48/x
  3. Step 3: Cross multiply
    8,146.24x = 11,271.44 × 7,100.48
  4. Step 4: Simplify right side
    8,146.24x = 80,032,634.29
  5. Step 5: Solve for x
    x = 80,032,634.29/8,146.24
  6. Step 6: Final answer
    x = 9,824.49

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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.