Home / 6,147.37-8,480.86-4,285.45

Finding the Fourth Proportional to 6,147.37, 8,480.86 and 4,285.45

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Solution

The fourth proportional to 6,147.37, 8,480.86 and 4,285.45 is: 5,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.37 : 8,480.86 = 4,285.45 : x
  2. Step 2: Convert to fraction form
    6,147.37/8,480.86 = 4,285.45/x
  3. Step 3: Cross multiply
    6,147.37x = 8,480.86 × 4,285.45
  4. Step 4: Simplify right side
    6,147.37x = 36,344,301.49
  5. Step 5: Solve for x
    x = 36,344,301.49/6,147.37
  6. Step 6: Final answer
    x = 5,912.17

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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.