Home / 7,113.22-10,661.63-2,952.45

Finding the Fourth Proportional to 7,113.22, 10,661.63 and 2,952.45

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Solution

The fourth proportional to 7,113.22, 10,661.63 and 2,952.45 is: 4,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.22 : 10,661.63 = 2,952.45 : x
  2. Step 2: Convert to fraction form
    7,113.22/10,661.63 = 2,952.45/x
  3. Step 3: Cross multiply
    7,113.22x = 10,661.63 × 2,952.45
  4. Step 4: Simplify right side
    7,113.22x = 31,477,914.73
  5. Step 5: Solve for x
    x = 31,477,914.73/7,113.22
  6. Step 6: Final answer
    x = 4,425.27

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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.