Home / 7,511.80-11,267.70-3,623.80

Finding the Fourth Proportional to 7,511.80, 11,267.70 and 3,623.80

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Solution

The fourth proportional to 7,511.80, 11,267.70 and 3,623.80 is: 5,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.80 : 11,267.70 = 3,623.80 : x
  2. Step 2: Convert to fraction form
    7,511.80/11,267.70 = 3,623.80/x
  3. Step 3: Cross multiply
    7,511.80x = 11,267.70 × 3,623.80
  4. Step 4: Simplify right side
    7,511.80x = 40,831,891.26
  5. Step 5: Solve for x
    x = 40,831,891.26/7,511.80
  6. Step 6: Final answer
    x = 5,435.70

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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.