Home / 8,913.09-12,299.70-4,933.96

Finding the Fourth Proportional to 8,913.09, 12,299.70 and 4,933.96

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Solution

The fourth proportional to 8,913.09, 12,299.70 and 4,933.96 is: 6,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.09 : 12,299.70 = 4,933.96 : x
  2. Step 2: Convert to fraction form
    8,913.09/12,299.70 = 4,933.96/x
  3. Step 3: Cross multiply
    8,913.09x = 12,299.70 × 4,933.96
  4. Step 4: Simplify right side
    8,913.09x = 60,686,257.00
  5. Step 5: Solve for x
    x = 60,686,257.00/8,913.09
  6. Step 6: Final answer
    x = 6,808.67

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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.