Home / 8,160.96-11,262.40-4,435.04

Finding the Fourth Proportional to 8,160.96, 11,262.40 and 4,435.04

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Solution

The fourth proportional to 8,160.96, 11,262.40 and 4,435.04 is: 6,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.96 : 11,262.40 = 4,435.04 : x
  2. Step 2: Convert to fraction form
    8,160.96/11,262.40 = 4,435.04/x
  3. Step 3: Cross multiply
    8,160.96x = 11,262.40 × 4,435.04
  4. Step 4: Simplify right side
    8,160.96x = 49,949,194.50
  5. Step 5: Solve for x
    x = 49,949,194.50/8,160.96
  6. Step 6: Final answer
    x = 6,120.50

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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.