Home / 8,381.89-11,566.31-4,604.86

Finding the Fourth Proportional to 8,381.89, 11,566.31 and 4,604.86

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Solution

The fourth proportional to 8,381.89, 11,566.31 and 4,604.86 is: 6,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.89 : 11,566.31 = 4,604.86 : x
  2. Step 2: Convert to fraction form
    8,381.89/11,566.31 = 4,604.86/x
  3. Step 3: Cross multiply
    8,381.89x = 11,566.31 × 4,604.86
  4. Step 4: Simplify right side
    8,381.89x = 53,261,220.86
  5. Step 5: Solve for x
    x = 53,261,220.86/8,381.89
  6. Step 6: Final answer
    x = 6,354.32

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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.