Home / 4,679.54-7,019.33-1,216.79

Finding the Fourth Proportional to 4,679.54, 7,019.33 and 1,216.79

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Solution

The fourth proportional to 4,679.54, 7,019.33 and 1,216.79 is: 1,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.54 : 7,019.33 = 1,216.79 : x
  2. Step 2: Convert to fraction form
    4,679.54/7,019.33 = 1,216.79/x
  3. Step 3: Cross multiply
    4,679.54x = 7,019.33 × 1,216.79
  4. Step 4: Simplify right side
    4,679.54x = 8,541,062.02
  5. Step 5: Solve for x
    x = 8,541,062.02/4,679.54
  6. Step 6: Final answer
    x = 1,825.19

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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.