Home / 9,985.41-14,977.98-2,589.84

Finding the Fourth Proportional to 9,985.41, 14,977.98 and 2,589.84

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Solution

The fourth proportional to 9,985.41, 14,977.98 and 2,589.84 is: 3,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.41 : 14,977.98 = 2,589.84 : x
  2. Step 2: Convert to fraction form
    9,985.41/14,977.98 = 2,589.84/x
  3. Step 3: Cross multiply
    9,985.41x = 14,977.98 × 2,589.84
  4. Step 4: Simplify right side
    9,985.41x = 38,790,571.72
  5. Step 5: Solve for x
    x = 38,790,571.72/9,985.41
  6. Step 6: Final answer
    x = 3,884.72

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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.