Home / 4,458.71-6,690.65-1,825.80

Finding the Fourth Proportional to 4,458.71, 6,690.65 and 1,825.80

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Solution

The fourth proportional to 4,458.71, 6,690.65 and 1,825.80 is: 2,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.71 : 6,690.65 = 1,825.80 : x
  2. Step 2: Convert to fraction form
    4,458.71/6,690.65 = 1,825.80/x
  3. Step 3: Cross multiply
    4,458.71x = 6,690.65 × 1,825.80
  4. Step 4: Simplify right side
    4,458.71x = 12,215,779.64
  5. Step 5: Solve for x
    x = 12,215,779.64/4,458.71
  6. Step 6: Final answer
    x = 2,739.76

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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.