Home / 7,848.36-11,761.81-2,913.23

Finding the Fourth Proportional to 7,848.36, 11,761.81 and 2,913.23

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Solution

The fourth proportional to 7,848.36, 11,761.81 and 2,913.23 is: 4,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.36 : 11,761.81 = 2,913.23 : x
  2. Step 2: Convert to fraction form
    7,848.36/11,761.81 = 2,913.23/x
  3. Step 3: Cross multiply
    7,848.36x = 11,761.81 × 2,913.23
  4. Step 4: Simplify right side
    7,848.36x = 34,264,879.87
  5. Step 5: Solve for x
    x = 34,264,879.87/7,848.36
  6. Step 6: Final answer
    x = 4,365.86

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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.