Home / 8,589.15-11,850.33-4,811.80

Finding the Fourth Proportional to 8,589.15, 11,850.33 and 4,811.80

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Solution

The fourth proportional to 8,589.15, 11,850.33 and 4,811.80 is: 6,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.15 : 11,850.33 = 4,811.80 : x
  2. Step 2: Convert to fraction form
    8,589.15/11,850.33 = 4,811.80/x
  3. Step 3: Cross multiply
    8,589.15x = 11,850.33 × 4,811.80
  4. Step 4: Simplify right side
    8,589.15x = 57,021,417.89
  5. Step 5: Solve for x
    x = 57,021,417.89/8,589.15
  6. Step 6: Final answer
    x = 6,638.77

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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.