Home / 9,108.04-13,661.46-3,840.80

Finding the Fourth Proportional to 9,108.04, 13,661.46 and 3,840.80

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Solution

The fourth proportional to 9,108.04, 13,661.46 and 3,840.80 is: 5,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.04 : 13,661.46 = 3,840.80 : x
  2. Step 2: Convert to fraction form
    9,108.04/13,661.46 = 3,840.80/x
  3. Step 3: Cross multiply
    9,108.04x = 13,661.46 × 3,840.80
  4. Step 4: Simplify right side
    9,108.04x = 52,470,935.57
  5. Step 5: Solve for x
    x = 52,470,935.57/9,108.04
  6. Step 6: Final answer
    x = 5,760.95

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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.