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Finding the Fourth Proportional to 4,491.37, 6,737.05 and 1,718.89

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Solution

The fourth proportional to 4,491.37, 6,737.05 and 1,718.89 is: 2,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.37 : 6,737.05 = 1,718.89 : x
  2. Step 2: Convert to fraction form
    4,491.37/6,737.05 = 1,718.89/x
  3. Step 3: Cross multiply
    4,491.37x = 6,737.05 × 1,718.89
  4. Step 4: Simplify right side
    4,491.37x = 11,580,237.89
  5. Step 5: Solve for x
    x = 11,580,237.89/4,491.37
  6. Step 6: Final answer
    x = 2,578.33

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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.