Home / 4,378.34-6,046.21-2,809.16

Finding the Fourth Proportional to 4,378.34, 6,046.21 and 2,809.16

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Solution

The fourth proportional to 4,378.34, 6,046.21 and 2,809.16 is: 3,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.34 : 6,046.21 = 2,809.16 : x
  2. Step 2: Convert to fraction form
    4,378.34/6,046.21 = 2,809.16/x
  3. Step 3: Cross multiply
    4,378.34x = 6,046.21 × 2,809.16
  4. Step 4: Simplify right side
    4,378.34x = 16,984,771.28
  5. Step 5: Solve for x
    x = 16,984,771.28/4,378.34
  6. Step 6: Final answer
    x = 3,879.27

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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.