Home / 6,619.37-9,856.50-6,382.85

Finding the Fourth Proportional to 6,619.37, 9,856.50 and 6,382.85

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Solution

The fourth proportional to 6,619.37, 9,856.50 and 6,382.85 is: 9,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.37 : 9,856.50 = 6,382.85 : x
  2. Step 2: Convert to fraction form
    6,619.37/9,856.50 = 6,382.85/x
  3. Step 3: Cross multiply
    6,619.37x = 9,856.50 × 6,382.85
  4. Step 4: Simplify right side
    6,619.37x = 62,912,561.03
  5. Step 5: Solve for x
    x = 62,912,561.03/6,619.37
  6. Step 6: Final answer
    x = 9,504.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.