Home / 9,985.04-14,977.94-2,589.30

Finding the Fourth Proportional to 9,985.04, 14,977.94 and 2,589.30

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Solution

The fourth proportional to 9,985.04, 14,977.94 and 2,589.30 is: 3,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.04 : 14,977.94 = 2,589.30 : x
  2. Step 2: Convert to fraction form
    9,985.04/14,977.94 = 2,589.30/x
  3. Step 3: Cross multiply
    9,985.04x = 14,977.94 × 2,589.30
  4. Step 4: Simplify right side
    9,985.04x = 38,782,367.10
  5. Step 5: Solve for x
    x = 38,782,367.10/9,985.04
  6. Step 6: Final answer
    x = 3,884.05

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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.