Home / 5,448.20-8,165.10-3,907.40

Finding the Fourth Proportional to 5,448.20, 8,165.10 and 3,907.40

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Solution

The fourth proportional to 5,448.20, 8,165.10 and 3,907.40 is: 5,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.20 : 8,165.10 = 3,907.40 : x
  2. Step 2: Convert to fraction form
    5,448.20/8,165.10 = 3,907.40/x
  3. Step 3: Cross multiply
    5,448.20x = 8,165.10 × 3,907.40
  4. Step 4: Simplify right side
    5,448.20x = 31,904,311.74
  5. Step 5: Solve for x
    x = 31,904,311.74/5,448.20
  6. Step 6: Final answer
    x = 5,855.94

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1.5x scale

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.