Home / 8,381.89-11,567.33-4,605.49

Finding the Fourth Proportional to 8,381.89, 11,567.33 and 4,605.49

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Solution

The fourth proportional to 8,381.89, 11,567.33 and 4,605.49 is: 6,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.89 : 11,567.33 = 4,605.49 : x
  2. Step 2: Convert to fraction form
    8,381.89/11,567.33 = 4,605.49/x
  3. Step 3: Cross multiply
    8,381.89x = 11,567.33 × 4,605.49
  4. Step 4: Simplify right side
    8,381.89x = 53,273,231.34
  5. Step 5: Solve for x
    x = 53,273,231.34/8,381.89
  6. Step 6: Final answer
    x = 6,355.75

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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.