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Finding the Fourth Proportional to 6,560.63, 9,838.09 and 1,879.61

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Solution

The fourth proportional to 6,560.63, 9,838.09 and 1,879.61 is: 2,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.63 : 9,838.09 = 1,879.61 : x
  2. Step 2: Convert to fraction form
    6,560.63/9,838.09 = 1,879.61/x
  3. Step 3: Cross multiply
    6,560.63x = 9,838.09 × 1,879.61
  4. Step 4: Simplify right side
    6,560.63x = 18,491,725.50
  5. Step 5: Solve for x
    x = 18,491,725.50/6,560.63
  6. Step 6: Final answer
    x = 2,818.59

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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.