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Finding the Fourth Proportional to 6,339.26, 8,750.58 and 5,674.92

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Solution

The fourth proportional to 6,339.26, 8,750.58 and 5,674.92 is: 7,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.26 : 8,750.58 = 5,674.92 : x
  2. Step 2: Convert to fraction form
    6,339.26/8,750.58 = 5,674.92/x
  3. Step 3: Cross multiply
    6,339.26x = 8,750.58 × 5,674.92
  4. Step 4: Simplify right side
    6,339.26x = 49,658,841.45
  5. Step 5: Solve for x
    x = 49,658,841.45/6,339.26
  6. Step 6: Final answer
    x = 7,833.54

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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.