Home / 4,478.21-6,718.75-1,846.95

Finding the Fourth Proportional to 4,478.21, 6,718.75 and 1,846.95

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Solution

The fourth proportional to 4,478.21, 6,718.75 and 1,846.95 is: 2,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.21 : 6,718.75 = 1,846.95 : x
  2. Step 2: Convert to fraction form
    4,478.21/6,718.75 = 1,846.95/x
  3. Step 3: Cross multiply
    4,478.21x = 6,718.75 × 1,846.95
  4. Step 4: Simplify right side
    4,478.21x = 12,409,195.31
  5. Step 5: Solve for x
    x = 12,409,195.31/4,478.21
  6. Step 6: Final answer
    x = 2,771.02

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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.