Home / 5,183.19-7,776.12-1,485.69

Finding the Fourth Proportional to 5,183.19, 7,776.12 and 1,485.69

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Solution

The fourth proportional to 5,183.19, 7,776.12 and 1,485.69 is: 2,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.19 : 7,776.12 = 1,485.69 : x
  2. Step 2: Convert to fraction form
    5,183.19/7,776.12 = 1,485.69/x
  3. Step 3: Cross multiply
    5,183.19x = 7,776.12 × 1,485.69
  4. Step 4: Simplify right side
    5,183.19x = 11,552,903.72
  5. Step 5: Solve for x
    x = 11,552,903.72/5,183.19
  6. Step 6: Final answer
    x = 2,228.92

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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.