Home / 6,914.92-10,374.16-1,984.92

Finding the Fourth Proportional to 6,914.92, 10,374.16 and 1,984.92

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Solution

The fourth proportional to 6,914.92, 10,374.16 and 1,984.92 is: 2,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.92 : 10,374.16 = 1,984.92 : x
  2. Step 2: Convert to fraction form
    6,914.92/10,374.16 = 1,984.92/x
  3. Step 3: Cross multiply
    6,914.92x = 10,374.16 × 1,984.92
  4. Step 4: Simplify right side
    6,914.92x = 20,591,877.67
  5. Step 5: Solve for x
    x = 20,591,877.67/6,914.92
  6. Step 6: Final answer
    x = 2,977.89

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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.