Home / 7,113.61-10,670.37-3,828.25

Finding the Fourth Proportional to 7,113.61, 10,670.37 and 3,828.25

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Solution

The fourth proportional to 7,113.61, 10,670.37 and 3,828.25 is: 5,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.61 : 10,670.37 = 3,828.25 : x
  2. Step 2: Convert to fraction form
    7,113.61/10,670.37 = 3,828.25/x
  3. Step 3: Cross multiply
    7,113.61x = 10,670.37 × 3,828.25
  4. Step 4: Simplify right side
    7,113.61x = 40,848,843.95
  5. Step 5: Solve for x
    x = 40,848,843.95/7,113.61
  6. Step 6: Final answer
    x = 5,742.35

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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.