Home / 4,779.45-7,163.10-3,479.40

Finding the Fourth Proportional to 4,779.45, 7,163.10 and 3,479.40

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Solution

The fourth proportional to 4,779.45, 7,163.10 and 3,479.40 is: 5,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.45 : 7,163.10 = 3,479.40 : x
  2. Step 2: Convert to fraction form
    4,779.45/7,163.10 = 3,479.40/x
  3. Step 3: Cross multiply
    4,779.45x = 7,163.10 × 3,479.40
  4. Step 4: Simplify right side
    4,779.45x = 24,923,290.14
  5. Step 5: Solve for x
    x = 24,923,290.14/4,779.45
  6. Step 6: Final answer
    x = 5,214.68

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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.