Home / 4,378.56-6,566.27-2,185.79

Finding the Fourth Proportional to 4,378.56, 6,566.27 and 2,185.79

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Solution

The fourth proportional to 4,378.56, 6,566.27 and 2,185.79 is: 3,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.56 : 6,566.27 = 2,185.79 : x
  2. Step 2: Convert to fraction form
    4,378.56/6,566.27 = 2,185.79/x
  3. Step 3: Cross multiply
    4,378.56x = 6,566.27 × 2,185.79
  4. Step 4: Simplify right side
    4,378.56x = 14,352,443.54
  5. Step 5: Solve for x
    x = 14,352,443.54/4,378.56
  6. Step 6: Final answer
    x = 3,277.89

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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.