Home / 4,409.75-6,085.83-2,420.70

Finding the Fourth Proportional to 4,409.75, 6,085.83 and 2,420.70

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Solution

The fourth proportional to 4,409.75, 6,085.83 and 2,420.70 is: 3,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.75 : 6,085.83 = 2,420.70 : x
  2. Step 2: Convert to fraction form
    4,409.75/6,085.83 = 2,420.70/x
  3. Step 3: Cross multiply
    4,409.75x = 6,085.83 × 2,420.70
  4. Step 4: Simplify right side
    4,409.75x = 14,731,968.68
  5. Step 5: Solve for x
    x = 14,731,968.68/4,409.75
  6. Step 6: Final answer
    x = 3,340.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.