Home / 4,378.65-6,567.97-1,879.26

Finding the Fourth Proportional to 4,378.65, 6,567.97 and 1,879.26

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Solution

The fourth proportional to 4,378.65, 6,567.97 and 1,879.26 is: 2,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.65 : 6,567.97 = 1,879.26 : x
  2. Step 2: Convert to fraction form
    4,378.65/6,567.97 = 1,879.26/x
  3. Step 3: Cross multiply
    4,378.65x = 6,567.97 × 1,879.26
  4. Step 4: Simplify right side
    4,378.65x = 12,342,923.30
  5. Step 5: Solve for x
    x = 12,342,923.30/4,378.65
  6. Step 6: Final answer
    x = 2,818.89

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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.