Home / 4,371.89-6,555.40-1,771.79

Finding the Fourth Proportional to 4,371.89, 6,555.40 and 1,771.79

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Solution

The fourth proportional to 4,371.89, 6,555.40 and 1,771.79 is: 2,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.89 : 6,555.40 = 1,771.79 : x
  2. Step 2: Convert to fraction form
    4,371.89/6,555.40 = 1,771.79/x
  3. Step 3: Cross multiply
    4,371.89x = 6,555.40 × 1,771.79
  4. Step 4: Simplify right side
    4,371.89x = 11,614,754.96
  5. Step 5: Solve for x
    x = 11,614,754.96/4,371.89
  6. Step 6: Final answer
    x = 2,656.69

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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.