Home / 8,821.96-13,239.42-4,435

Finding the Fourth Proportional to 8,821.96, 13,239.42 and 4,435

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Solution

The fourth proportional to 8,821.96, 13,239.42 and 4,435 is: 6,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.96 : 13,239.42 = 4,435 : x
  2. Step 2: Convert to fraction form
    8,821.96/13,239.42 = 4,435/x
  3. Step 3: Cross multiply
    8,821.96x = 13,239.42 × 4,435
  4. Step 4: Simplify right side
    8,821.96x = 58,716,827.70
  5. Step 5: Solve for x
    x = 58,716,827.70/8,821.96
  6. Step 6: Final answer
    x = 6,655.76

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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.