Home / 7,860.84-11,795.86-2,933.88

Finding the Fourth Proportional to 7,860.84, 11,795.86 and 2,933.88

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Solution

The fourth proportional to 7,860.84, 11,795.86 and 2,933.88 is: 4,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.84 : 11,795.86 = 2,933.88 : x
  2. Step 2: Convert to fraction form
    7,860.84/11,795.86 = 2,933.88/x
  3. Step 3: Cross multiply
    7,860.84x = 11,795.86 × 2,933.88
  4. Step 4: Simplify right side
    7,860.84x = 34,607,637.74
  5. Step 5: Solve for x
    x = 34,607,637.74/7,860.84
  6. Step 6: Final answer
    x = 4,402.54

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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.