Home / 6,106.21-8,425.16-4,219.45

Finding the Fourth Proportional to 6,106.21, 8,425.16 and 4,219.45

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Solution

The fourth proportional to 6,106.21, 8,425.16 and 4,219.45 is: 5,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.21 : 8,425.16 = 4,219.45 : x
  2. Step 2: Convert to fraction form
    6,106.21/8,425.16 = 4,219.45/x
  3. Step 3: Cross multiply
    6,106.21x = 8,425.16 × 4,219.45
  4. Step 4: Simplify right side
    6,106.21x = 35,549,520.26
  5. Step 5: Solve for x
    x = 35,549,520.26/6,106.21
  6. Step 6: Final answer
    x = 5,821.86

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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.