Home / 7,828.67-10,803.61-4,291.88

Finding the Fourth Proportional to 7,828.67, 10,803.61 and 4,291.88

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Solution

The fourth proportional to 7,828.67, 10,803.61 and 4,291.88 is: 5,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.67 : 10,803.61 = 4,291.88 : x
  2. Step 2: Convert to fraction form
    7,828.67/10,803.61 = 4,291.88/x
  3. Step 3: Cross multiply
    7,828.67x = 10,803.61 × 4,291.88
  4. Step 4: Simplify right side
    7,828.67x = 46,367,797.69
  5. Step 5: Solve for x
    x = 46,367,797.69/7,828.67
  6. Step 6: Final answer
    x = 5,922.82

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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.