Home / 10,745.04-16,115.88-4,820.70

Finding the Fourth Proportional to 10,745.04, 16,115.88 and 4,820.70

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Solution

The fourth proportional to 10,745.04, 16,115.88 and 4,820.70 is: 7,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.04 : 16,115.88 = 4,820.70 : x
  2. Step 2: Convert to fraction form
    10,745.04/16,115.88 = 4,820.70/x
  3. Step 3: Cross multiply
    10,745.04x = 16,115.88 × 4,820.70
  4. Step 4: Simplify right side
    10,745.04x = 77,689,822.72
  5. Step 5: Solve for x
    x = 77,689,822.72/10,745.04
  6. Step 6: Final answer
    x = 7,230.30

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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.