Home / 4,736.07-7,105.01-2,139

Finding the Fourth Proportional to 4,736.07, 7,105.01 and 2,139

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Solution

The fourth proportional to 4,736.07, 7,105.01 and 2,139 is: 3,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.07 : 7,105.01 = 2,139 : x
  2. Step 2: Convert to fraction form
    4,736.07/7,105.01 = 2,139/x
  3. Step 3: Cross multiply
    4,736.07x = 7,105.01 × 2,139
  4. Step 4: Simplify right side
    4,736.07x = 15,197,605.70
  5. Step 5: Solve for x
    x = 15,197,605.70/4,736.07
  6. Step 6: Final answer
    x = 3,208.91

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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.