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Finding the Fourth Proportional to 6,125.69, 9,187.90 and 1,968.68

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Solution

The fourth proportional to 6,125.69, 9,187.90 and 1,968.68 is: 2,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.69 : 9,187.90 = 1,968.68 : x
  2. Step 2: Convert to fraction form
    6,125.69/9,187.90 = 1,968.68/x
  3. Step 3: Cross multiply
    6,125.69x = 9,187.90 × 1,968.68
  4. Step 4: Simplify right side
    6,125.69x = 18,088,053.02
  5. Step 5: Solve for x
    x = 18,088,053.02/6,125.69
  6. Step 6: Final answer
    x = 2,952.82

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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.