Home / 7,828.21-10,804.04-4,845

Finding the Fourth Proportional to 7,828.21, 10,804.04 and 4,845

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Solution

The fourth proportional to 7,828.21, 10,804.04 and 4,845 is: 6,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.21 : 10,804.04 = 4,845 : x
  2. Step 2: Convert to fraction form
    7,828.21/10,804.04 = 4,845/x
  3. Step 3: Cross multiply
    7,828.21x = 10,804.04 × 4,845
  4. Step 4: Simplify right side
    7,828.21x = 52,345,549.58
  5. Step 5: Solve for x
    x = 52,345,549.58/7,828.21
  6. Step 6: Final answer
    x = 6,686.79

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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.