Home / 8,146.12-11,243.40-4,960.47

Finding the Fourth Proportional to 8,146.12, 11,243.40 and 4,960.47

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Solution

The fourth proportional to 8,146.12, 11,243.40 and 4,960.47 is: 6,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.12 : 11,243.40 = 4,960.47 : x
  2. Step 2: Convert to fraction form
    8,146.12/11,243.40 = 4,960.47/x
  3. Step 3: Cross multiply
    8,146.12x = 11,243.40 × 4,960.47
  4. Step 4: Simplify right side
    8,146.12x = 55,772,548.40
  5. Step 5: Solve for x
    x = 55,772,548.40/8,146.12
  6. Step 6: Final answer
    x = 6,846.52

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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.