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Finding the Fourth Proportional to 6,137.93, 9,208.31 and 1,920.94

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Solution

The fourth proportional to 6,137.93, 9,208.31 and 1,920.94 is: 2,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.93 : 9,208.31 = 1,920.94 : x
  2. Step 2: Convert to fraction form
    6,137.93/9,208.31 = 1,920.94/x
  3. Step 3: Cross multiply
    6,137.93x = 9,208.31 × 1,920.94
  4. Step 4: Simplify right side
    6,137.93x = 17,688,609.69
  5. Step 5: Solve for x
    x = 17,688,609.69/6,137.93
  6. Step 6: Final answer
    x = 2,881.85

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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.