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Finding the Fourth Proportional to 6,750.78, 9,311.25 and 5,852.93

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Solution

The fourth proportional to 6,750.78, 9,311.25 and 5,852.93 is: 8,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.78 : 9,311.25 = 5,852.93 : x
  2. Step 2: Convert to fraction form
    6,750.78/9,311.25 = 5,852.93/x
  3. Step 3: Cross multiply
    6,750.78x = 9,311.25 × 5,852.93
  4. Step 4: Simplify right side
    6,750.78x = 54,498,069.85
  5. Step 5: Solve for x
    x = 54,498,069.85/6,750.78
  6. Step 6: Final answer
    x = 8,072.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.