Home / 8,310.08-11,460.21-6,190.81

Finding the Fourth Proportional to 8,310.08, 11,460.21 and 6,190.81

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Solution

The fourth proportional to 8,310.08, 11,460.21 and 6,190.81 is: 8,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.08 : 11,460.21 = 6,190.81 : x
  2. Step 2: Convert to fraction form
    8,310.08/11,460.21 = 6,190.81/x
  3. Step 3: Cross multiply
    8,310.08x = 11,460.21 × 6,190.81
  4. Step 4: Simplify right side
    8,310.08x = 70,947,982.67
  5. Step 5: Solve for x
    x = 70,947,982.67/8,310.08
  6. Step 6: Final answer
    x = 8,537.58

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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.