Home / 7,265.34-10,891.13-2,879.60

Finding the Fourth Proportional to 7,265.34, 10,891.13 and 2,879.60

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Solution

The fourth proportional to 7,265.34, 10,891.13 and 2,879.60 is: 4,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.34 : 10,891.13 = 2,879.60 : x
  2. Step 2: Convert to fraction form
    7,265.34/10,891.13 = 2,879.60/x
  3. Step 3: Cross multiply
    7,265.34x = 10,891.13 × 2,879.60
  4. Step 4: Simplify right side
    7,265.34x = 31,362,029.09
  5. Step 5: Solve for x
    x = 31,362,029.09/7,265.34
  6. Step 6: Final answer
    x = 4,316.66

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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.