Home / 4,379.88-6,569.82-1,782.81

Finding the Fourth Proportional to 4,379.88, 6,569.82 and 1,782.81

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Solution

The fourth proportional to 4,379.88, 6,569.82 and 1,782.81 is: 2,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.88 : 6,569.82 = 1,782.81 : x
  2. Step 2: Convert to fraction form
    4,379.88/6,569.82 = 1,782.81/x
  3. Step 3: Cross multiply
    4,379.88x = 6,569.82 × 1,782.81
  4. Step 4: Simplify right side
    4,379.88x = 11,712,740.79
  5. Step 5: Solve for x
    x = 11,712,740.79/4,379.88
  6. Step 6: Final answer
    x = 2,674.22

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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.