Home / 7,850.12-11,776.46-2,303.64

Finding the Fourth Proportional to 7,850.12, 11,776.46 and 2,303.64

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Solution

The fourth proportional to 7,850.12, 11,776.46 and 2,303.64 is: 3,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.12 : 11,776.46 = 2,303.64 : x
  2. Step 2: Convert to fraction form
    7,850.12/11,776.46 = 2,303.64/x
  3. Step 3: Cross multiply
    7,850.12x = 11,776.46 × 2,303.64
  4. Step 4: Simplify right side
    7,850.12x = 27,128,712.80
  5. Step 5: Solve for x
    x = 27,128,712.80/7,850.12
  6. Step 6: Final answer
    x = 3,455.84

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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.