Home / 7,055.49-9,736.69-3,869.08

Finding the Fourth Proportional to 7,055.49, 9,736.69 and 3,869.08

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Solution

The fourth proportional to 7,055.49, 9,736.69 and 3,869.08 is: 5,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.49 : 9,736.69 = 3,869.08 : x
  2. Step 2: Convert to fraction form
    7,055.49/9,736.69 = 3,869.08/x
  3. Step 3: Cross multiply
    7,055.49x = 9,736.69 × 3,869.08
  4. Step 4: Simplify right side
    7,055.49x = 37,672,013.20
  5. Step 5: Solve for x
    x = 37,672,013.20/7,055.49
  6. Step 6: Final answer
    x = 5,339.39

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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.