Home / 7,845.74-11,765.79-2,846.85

Finding the Fourth Proportional to 7,845.74, 11,765.79 and 2,846.85

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Solution

The fourth proportional to 7,845.74, 11,765.79 and 2,846.85 is: 4,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.74 : 11,765.79 = 2,846.85 : x
  2. Step 2: Convert to fraction form
    7,845.74/11,765.79 = 2,846.85/x
  3. Step 3: Cross multiply
    7,845.74x = 11,765.79 × 2,846.85
  4. Step 4: Simplify right side
    7,845.74x = 33,495,439.26
  5. Step 5: Solve for x
    x = 33,495,439.26/7,845.74
  6. Step 6: Final answer
    x = 4,269.25

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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.