Home / 7,290.48-10,936.08-3,131.04

Finding the Fourth Proportional to 7,290.48, 10,936.08 and 3,131.04

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Solution

The fourth proportional to 7,290.48, 10,936.08 and 3,131.04 is: 4,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.48 : 10,936.08 = 3,131.04 : x
  2. Step 2: Convert to fraction form
    7,290.48/10,936.08 = 3,131.04/x
  3. Step 3: Cross multiply
    7,290.48x = 10,936.08 × 3,131.04
  4. Step 4: Simplify right side
    7,290.48x = 34,241,303.92
  5. Step 5: Solve for x
    x = 34,241,303.92/7,290.48
  6. Step 6: Final answer
    x = 4,696.71

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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.