Home / 6,356.46-8,771.68-3,485.18

Finding the Fourth Proportional to 6,356.46, 8,771.68 and 3,485.18

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Solution

The fourth proportional to 6,356.46, 8,771.68 and 3,485.18 is: 4,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.46 : 8,771.68 = 3,485.18 : x
  2. Step 2: Convert to fraction form
    6,356.46/8,771.68 = 3,485.18/x
  3. Step 3: Cross multiply
    6,356.46x = 8,771.68 × 3,485.18
  4. Step 4: Simplify right side
    6,356.46x = 30,570,883.70
  5. Step 5: Solve for x
    x = 30,570,883.70/6,356.46
  6. Step 6: Final answer
    x = 4,809.42

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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.