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Finding the Fourth Proportional to 6,129.98, 9,195.80 and 1,968.60

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Solution

The fourth proportional to 6,129.98, 9,195.80 and 1,968.60 is: 2,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.98 : 9,195.80 = 1,968.60 : x
  2. Step 2: Convert to fraction form
    6,129.98/9,195.80 = 1,968.60/x
  3. Step 3: Cross multiply
    6,129.98x = 9,195.80 × 1,968.60
  4. Step 4: Simplify right side
    6,129.98x = 18,102,842.04
  5. Step 5: Solve for x
    x = 18,102,842.04/6,129.98
  6. Step 6: Final answer
    x = 2,953.17

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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.