Home / 4,586.85-6,879.63-1,812.81

Finding the Fourth Proportional to 4,586.85, 6,879.63 and 1,812.81

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Solution

The fourth proportional to 4,586.85, 6,879.63 and 1,812.81 is: 2,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.85 : 6,879.63 = 1,812.81 : x
  2. Step 2: Convert to fraction form
    4,586.85/6,879.63 = 1,812.81/x
  3. Step 3: Cross multiply
    4,586.85x = 6,879.63 × 1,812.81
  4. Step 4: Simplify right side
    4,586.85x = 12,471,462.06
  5. Step 5: Solve for x
    x = 12,471,462.06/4,586.85
  6. Step 6: Final answer
    x = 2,718.96

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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.