Home / 7,828.77-11,713.73-5,493.33

Finding the Fourth Proportional to 7,828.77, 11,713.73 and 5,493.33

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Solution

The fourth proportional to 7,828.77, 11,713.73 and 5,493.33 is: 8,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.77 : 11,713.73 = 5,493.33 : x
  2. Step 2: Convert to fraction form
    7,828.77/11,713.73 = 5,493.33/x
  3. Step 3: Cross multiply
    7,828.77x = 11,713.73 × 5,493.33
  4. Step 4: Simplify right side
    7,828.77x = 64,347,356.95
  5. Step 5: Solve for x
    x = 64,347,356.95/7,828.77
  6. Step 6: Final answer
    x = 8,219.35

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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.