Home / 7,948.51-11,865.62-7,371.79

Finding the Fourth Proportional to 7,948.51, 11,865.62 and 7,371.79

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Solution

The fourth proportional to 7,948.51, 11,865.62 and 7,371.79 is: 11,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.51 : 11,865.62 = 7,371.79 : x
  2. Step 2: Convert to fraction form
    7,948.51/11,865.62 = 7,371.79/x
  3. Step 3: Cross multiply
    7,948.51x = 11,865.62 × 7,371.79
  4. Step 4: Simplify right side
    7,948.51x = 87,470,792.34
  5. Step 5: Solve for x
    x = 87,470,792.34/7,948.51
  6. Step 6: Final answer
    x = 11,004.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.