Home / 7,511.67-11,273.99-2,897.91

Finding the Fourth Proportional to 7,511.67, 11,273.99 and 2,897.91

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Solution

The fourth proportional to 7,511.67, 11,273.99 and 2,897.91 is: 4,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.67 : 11,273.99 = 2,897.91 : x
  2. Step 2: Convert to fraction form
    7,511.67/11,273.99 = 2,897.91/x
  3. Step 3: Cross multiply
    7,511.67x = 11,273.99 × 2,897.91
  4. Step 4: Simplify right side
    7,511.67x = 32,670,993.87
  5. Step 5: Solve for x
    x = 32,670,993.87/7,511.67
  6. Step 6: Final answer
    x = 4,349.36

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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.