Home / 6,211.16-8,571.28-3,485.68

Finding the Fourth Proportional to 6,211.16, 8,571.28 and 3,485.68

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Solution

The fourth proportional to 6,211.16, 8,571.28 and 3,485.68 is: 4,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.16 : 8,571.28 = 3,485.68 : x
  2. Step 2: Convert to fraction form
    6,211.16/8,571.28 = 3,485.68/x
  3. Step 3: Cross multiply
    6,211.16x = 8,571.28 × 3,485.68
  4. Step 4: Simplify right side
    6,211.16x = 29,876,739.27
  5. Step 5: Solve for x
    x = 29,876,739.27/6,211.16
  6. Step 6: Final answer
    x = 4,810.17

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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.