Home / 7,825.52-10,799.26-4,288.80

Finding the Fourth Proportional to 7,825.52, 10,799.26 and 4,288.80

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Solution

The fourth proportional to 7,825.52, 10,799.26 and 4,288.80 is: 5,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.52 : 10,799.26 = 4,288.80 : x
  2. Step 2: Convert to fraction form
    7,825.52/10,799.26 = 4,288.80/x
  3. Step 3: Cross multiply
    7,825.52x = 10,799.26 × 4,288.80
  4. Step 4: Simplify right side
    7,825.52x = 46,315,866.29
  5. Step 5: Solve for x
    x = 46,315,866.29/7,825.52
  6. Step 6: Final answer
    x = 5,918.57

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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.