Home / 8,190.16-12,276.78-3,804.04

Finding the Fourth Proportional to 8,190.16, 12,276.78 and 3,804.04

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Solution

The fourth proportional to 8,190.16, 12,276.78 and 3,804.04 is: 5,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.16 : 12,276.78 = 3,804.04 : x
  2. Step 2: Convert to fraction form
    8,190.16/12,276.78 = 3,804.04/x
  3. Step 3: Cross multiply
    8,190.16x = 12,276.78 × 3,804.04
  4. Step 4: Simplify right side
    8,190.16x = 46,701,362.19
  5. Step 5: Solve for x
    x = 46,701,362.19/8,190.16
  6. Step 6: Final answer
    x = 5,702.13

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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.