Home / 7,825.25-10,798.86-4,240.22

Finding the Fourth Proportional to 7,825.25, 10,798.86 and 4,240.22

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Solution

The fourth proportional to 7,825.25, 10,798.86 and 4,240.22 is: 5,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.25 : 10,798.86 = 4,240.22 : x
  2. Step 2: Convert to fraction form
    7,825.25/10,798.86 = 4,240.22/x
  3. Step 3: Cross multiply
    7,825.25x = 10,798.86 × 4,240.22
  4. Step 4: Simplify right side
    7,825.25x = 45,789,488.15
  5. Step 5: Solve for x
    x = 45,789,488.15/7,825.25
  6. Step 6: Final answer
    x = 5,851.51

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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.