Home / 5,368.80-8,049.45-3,176.40

Finding the Fourth Proportional to 5,368.80, 8,049.45 and 3,176.40

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Solution

The fourth proportional to 5,368.80, 8,049.45 and 3,176.40 is: 4,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.80 : 8,049.45 = 3,176.40 : x
  2. Step 2: Convert to fraction form
    5,368.80/8,049.45 = 3,176.40/x
  3. Step 3: Cross multiply
    5,368.80x = 8,049.45 × 3,176.40
  4. Step 4: Simplify right side
    5,368.80x = 25,568,272.98
  5. Step 5: Solve for x
    x = 25,568,272.98/5,368.80
  6. Step 6: Final answer
    x = 4,762.38

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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.