Home / 7,112.73-9,811.51-4,455.52

Finding the Fourth Proportional to 7,112.73, 9,811.51 and 4,455.52

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Solution

The fourth proportional to 7,112.73, 9,811.51 and 4,455.52 is: 6,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.73 : 9,811.51 = 4,455.52 : x
  2. Step 2: Convert to fraction form
    7,112.73/9,811.51 = 4,455.52/x
  3. Step 3: Cross multiply
    7,112.73x = 9,811.51 × 4,455.52
  4. Step 4: Simplify right side
    7,112.73x = 43,715,379.04
  5. Step 5: Solve for x
    x = 43,715,379.04/7,112.73
  6. Step 6: Final answer
    x = 6,146.08

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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.