Home / 7,838.84-11,765.28-3,681.26

Finding the Fourth Proportional to 7,838.84, 11,765.28 and 3,681.26

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Solution

The fourth proportional to 7,838.84, 11,765.28 and 3,681.26 is: 5,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.84 : 11,765.28 = 3,681.26 : x
  2. Step 2: Convert to fraction form
    7,838.84/11,765.28 = 3,681.26/x
  3. Step 3: Cross multiply
    7,838.84x = 11,765.28 × 3,681.26
  4. Step 4: Simplify right side
    7,838.84x = 43,311,054.65
  5. Step 5: Solve for x
    x = 43,311,054.65/7,838.84
  6. Step 6: Final answer
    x = 5,525.19

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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.