Home / 5,183.12-7,770.47-2,411.55

Finding the Fourth Proportional to 5,183.12, 7,770.47 and 2,411.55

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Solution

The fourth proportional to 5,183.12, 7,770.47 and 2,411.55 is: 3,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.12 : 7,770.47 = 2,411.55 : x
  2. Step 2: Convert to fraction form
    5,183.12/7,770.47 = 2,411.55/x
  3. Step 3: Cross multiply
    5,183.12x = 7,770.47 × 2,411.55
  4. Step 4: Simplify right side
    5,183.12x = 18,738,864.87
  5. Step 5: Solve for x
    x = 18,738,864.87/5,183.12
  6. Step 6: Final answer
    x = 3,615.36

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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.