Home / 6,880.73-9,495.63-3,896.50

Finding the Fourth Proportional to 6,880.73, 9,495.63 and 3,896.50

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Solution

The fourth proportional to 6,880.73, 9,495.63 and 3,896.50 is: 5,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.73 : 9,495.63 = 3,896.50 : x
  2. Step 2: Convert to fraction form
    6,880.73/9,495.63 = 3,896.50/x
  3. Step 3: Cross multiply
    6,880.73x = 9,495.63 × 3,896.50
  4. Step 4: Simplify right side
    6,880.73x = 36,999,722.30
  5. Step 5: Solve for x
    x = 36,999,722.30/6,880.73
  6. Step 6: Final answer
    x = 5,377.30

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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.