Home / 8,911.83-13,367.46-4,235.21

Finding the Fourth Proportional to 8,911.83, 13,367.46 and 4,235.21

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Solution

The fourth proportional to 8,911.83, 13,367.46 and 4,235.21 is: 6,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.83 : 13,367.46 = 4,235.21 : x
  2. Step 2: Convert to fraction form
    8,911.83/13,367.46 = 4,235.21/x
  3. Step 3: Cross multiply
    8,911.83x = 13,367.46 × 4,235.21
  4. Step 4: Simplify right side
    8,911.83x = 56,614,000.27
  5. Step 5: Solve for x
    x = 56,614,000.27/8,911.83
  6. Step 6: Final answer
    x = 6,352.68

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Double scale
Find fourth proportional to 8,912.83, 13,368.96 and 4,236.21
Similar ratio
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1.5x scale

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.