Home / 9,985.29-14,977.97-2,589.22

Finding the Fourth Proportional to 9,985.29, 14,977.97 and 2,589.22

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Solution

The fourth proportional to 9,985.29, 14,977.97 and 2,589.22 is: 3,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.29 : 14,977.97 = 2,589.22 : x
  2. Step 2: Convert to fraction form
    9,985.29/14,977.97 = 2,589.22/x
  3. Step 3: Cross multiply
    9,985.29x = 14,977.97 × 2,589.22
  4. Step 4: Simplify right side
    9,985.29x = 38,781,259.48
  5. Step 5: Solve for x
    x = 38,781,259.48/9,985.29
  6. Step 6: Final answer
    x = 3,883.84

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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.