Home / 4,379.56-6,567.76-2,186.79

Finding the Fourth Proportional to 4,379.56, 6,567.76 and 2,186.79

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Solution

The fourth proportional to 4,379.56, 6,567.76 and 2,186.79 is: 3,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.56 : 6,567.76 = 2,186.79 : x
  2. Step 2: Convert to fraction form
    4,379.56/6,567.76 = 2,186.79/x
  3. Step 3: Cross multiply
    4,379.56x = 6,567.76 × 2,186.79
  4. Step 4: Simplify right side
    4,379.56x = 14,362,311.89
  5. Step 5: Solve for x
    x = 14,362,311.89/4,379.56
  6. Step 6: Final answer
    x = 3,279.40

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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.