Home / 7,290.36-10,931.66-2,359.38

Finding the Fourth Proportional to 7,290.36, 10,931.66 and 2,359.38

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Solution

The fourth proportional to 7,290.36, 10,931.66 and 2,359.38 is: 3,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.36 : 10,931.66 = 2,359.38 : x
  2. Step 2: Convert to fraction form
    7,290.36/10,931.66 = 2,359.38/x
  3. Step 3: Cross multiply
    7,290.36x = 10,931.66 × 2,359.38
  4. Step 4: Simplify right side
    7,290.36x = 25,791,939.97
  5. Step 5: Solve for x
    x = 25,791,939.97/7,290.36
  6. Step 6: Final answer
    x = 3,537.81

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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.