Home / 6,921.33-10,382.00-6,230.90

Finding the Fourth Proportional to 6,921.33, 10,382.00 and 6,230.90

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Solution

The fourth proportional to 6,921.33, 10,382.00 and 6,230.90 is: 9,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.33 : 10,382.00 = 6,230.90 : x
  2. Step 2: Convert to fraction form
    6,921.33/10,382.00 = 6,230.90/x
  3. Step 3: Cross multiply
    6,921.33x = 10,382.00 × 6,230.90
  4. Step 4: Simplify right side
    6,921.33x = 64,689,120.74
  5. Step 5: Solve for x
    x = 64,689,120.74/6,921.33
  6. Step 6: Final answer
    x = 9,346.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.