Home / 7,106.85-10,663.35-3,816.11

Finding the Fourth Proportional to 7,106.85, 10,663.35 and 3,816.11

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Solution

The fourth proportional to 7,106.85, 10,663.35 and 3,816.11 is: 5,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.85 : 10,663.35 = 3,816.11 : x
  2. Step 2: Convert to fraction form
    7,106.85/10,663.35 = 3,816.11/x
  3. Step 3: Cross multiply
    7,106.85x = 10,663.35 × 3,816.11
  4. Step 4: Simplify right side
    7,106.85x = 40,692,463.25
  5. Step 5: Solve for x
    x = 40,692,463.25/7,106.85
  6. Step 6: Final answer
    x = 5,725.81

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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.