Home / 8,286.10-11,435.70-4,749.94

Finding the Fourth Proportional to 8,286.10, 11,435.70 and 4,749.94

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Solution

The fourth proportional to 8,286.10, 11,435.70 and 4,749.94 is: 6,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.10 : 11,435.70 = 4,749.94 : x
  2. Step 2: Convert to fraction form
    8,286.10/11,435.70 = 4,749.94/x
  3. Step 3: Cross multiply
    8,286.10x = 11,435.70 × 4,749.94
  4. Step 4: Simplify right side
    8,286.10x = 54,318,888.86
  5. Step 5: Solve for x
    x = 54,318,888.86/8,286.10
  6. Step 6: Final answer
    x = 6,555.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.