Home / 7,810.84-11,713.44-2,615.52

Finding the Fourth Proportional to 7,810.84, 11,713.44 and 2,615.52

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Solution

The fourth proportional to 7,810.84, 11,713.44 and 2,615.52 is: 3,922.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.84 : 11,713.44 = 2,615.52 : x
  2. Step 2: Convert to fraction form
    7,810.84/11,713.44 = 2,615.52/x
  3. Step 3: Cross multiply
    7,810.84x = 11,713.44 × 2,615.52
  4. Step 4: Simplify right side
    7,810.84x = 30,636,736.59
  5. Step 5: Solve for x
    x = 30,636,736.59/7,810.84
  6. Step 6: Final answer
    x = 3,922.34

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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.