Home / 6,905-10,356.03-2,225.43

Finding the Fourth Proportional to 6,905, 10,356.03 and 2,225.43

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Solution

The fourth proportional to 6,905, 10,356.03 and 2,225.43 is: 3,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905 : 10,356.03 = 2,225.43 : x
  2. Step 2: Convert to fraction form
    6,905/10,356.03 = 2,225.43/x
  3. Step 3: Cross multiply
    6,905x = 10,356.03 × 2,225.43
  4. Step 4: Simplify right side
    6,905x = 23,046,619.84
  5. Step 5: Solve for x
    x = 23,046,619.84/6,905
  6. Step 6: Final answer
    x = 3,337.67

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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.