Home / 8,286.23-11,435.40-4,749.45

Finding the Fourth Proportional to 8,286.23, 11,435.40 and 4,749.45

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Solution

The fourth proportional to 8,286.23, 11,435.40 and 4,749.45 is: 6,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.23 : 11,435.40 = 4,749.45 : x
  2. Step 2: Convert to fraction form
    8,286.23/11,435.40 = 4,749.45/x
  3. Step 3: Cross multiply
    8,286.23x = 11,435.40 × 4,749.45
  4. Step 4: Simplify right side
    8,286.23x = 54,311,779.61
  5. Step 5: Solve for x
    x = 54,311,779.61/8,286.23
  6. Step 6: Final answer
    x = 6,554.47

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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.