Home / 7,119.24-9,825.48-3,976.08

Finding the Fourth Proportional to 7,119.24, 9,825.48 and 3,976.08

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Solution

The fourth proportional to 7,119.24, 9,825.48 and 3,976.08 is: 5,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.24 : 9,825.48 = 3,976.08 : x
  2. Step 2: Convert to fraction form
    7,119.24/9,825.48 = 3,976.08/x
  3. Step 3: Cross multiply
    7,119.24x = 9,825.48 × 3,976.08
  4. Step 4: Simplify right side
    7,119.24x = 39,066,894.52
  5. Step 5: Solve for x
    x = 39,066,894.52/7,119.24
  6. Step 6: Final answer
    x = 5,487.51

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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.