Home / 4,525.74-6,789.67-1,405.59

Finding the Fourth Proportional to 4,525.74, 6,789.67 and 1,405.59

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Solution

The fourth proportional to 4,525.74, 6,789.67 and 1,405.59 is: 2,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525.74 : 6,789.67 = 1,405.59 : x
  2. Step 2: Convert to fraction form
    4,525.74/6,789.67 = 1,405.59/x
  3. Step 3: Cross multiply
    4,525.74x = 6,789.67 × 1,405.59
  4. Step 4: Simplify right side
    4,525.74x = 9,543,458.31
  5. Step 5: Solve for x
    x = 9,543,458.31/4,525.74
  6. Step 6: Final answer
    x = 2,108.71

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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.