Home / 7,680.54-11,511.23-3,292.91

Finding the Fourth Proportional to 7,680.54, 11,511.23 and 3,292.91

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Solution

The fourth proportional to 7,680.54, 11,511.23 and 3,292.91 is: 4,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.54 : 11,511.23 = 3,292.91 : x
  2. Step 2: Convert to fraction form
    7,680.54/11,511.23 = 3,292.91/x
  3. Step 3: Cross multiply
    7,680.54x = 11,511.23 × 3,292.91
  4. Step 4: Simplify right side
    7,680.54x = 37,905,370.36
  5. Step 5: Solve for x
    x = 37,905,370.36/7,680.54
  6. Step 6: Final answer
    x = 4,935.25

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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.