Home / 7,825.28-10,798.82-4,288.48

Finding the Fourth Proportional to 7,825.28, 10,798.82 and 4,288.48

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Solution

The fourth proportional to 7,825.28, 10,798.82 and 4,288.48 is: 5,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.28 : 10,798.82 = 4,288.48 : x
  2. Step 2: Convert to fraction form
    7,825.28/10,798.82 = 4,288.48/x
  3. Step 3: Cross multiply
    7,825.28x = 10,798.82 × 4,288.48
  4. Step 4: Simplify right side
    7,825.28x = 46,310,491.24
  5. Step 5: Solve for x
    x = 46,310,491.24/7,825.28
  6. Step 6: Final answer
    x = 5,918.07

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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.