Home / 5,165.03-7,748.30-2,392.45

Finding the Fourth Proportional to 5,165.03, 7,748.30 and 2,392.45

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Solution

The fourth proportional to 5,165.03, 7,748.30 and 2,392.45 is: 3,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.03 : 7,748.30 = 2,392.45 : x
  2. Step 2: Convert to fraction form
    5,165.03/7,748.30 = 2,392.45/x
  3. Step 3: Cross multiply
    5,165.03x = 7,748.30 × 2,392.45
  4. Step 4: Simplify right side
    5,165.03x = 18,537,406.95
  5. Step 5: Solve for x
    x = 18,537,406.95/5,165.03
  6. Step 6: Final answer
    x = 3,589.02

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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.