Home / 7,104.84-10,643.62-3,975.36

Finding the Fourth Proportional to 7,104.84, 10,643.62 and 3,975.36

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Solution

The fourth proportional to 7,104.84, 10,643.62 and 3,975.36 is: 5,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.84 : 10,643.62 = 3,975.36 : x
  2. Step 2: Convert to fraction form
    7,104.84/10,643.62 = 3,975.36/x
  3. Step 3: Cross multiply
    7,104.84x = 10,643.62 × 3,975.36
  4. Step 4: Simplify right side
    7,104.84x = 42,312,221.20
  5. Step 5: Solve for x
    x = 42,312,221.20/7,104.84
  6. Step 6: Final answer
    x = 5,955.41

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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.