Home / 4,205.55-6,309.02-1,431.93

Finding the Fourth Proportional to 4,205.55, 6,309.02 and 1,431.93

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Solution

The fourth proportional to 4,205.55, 6,309.02 and 1,431.93 is: 2,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.55 : 6,309.02 = 1,431.93 : x
  2. Step 2: Convert to fraction form
    4,205.55/6,309.02 = 1,431.93/x
  3. Step 3: Cross multiply
    4,205.55x = 6,309.02 × 1,431.93
  4. Step 4: Simplify right side
    4,205.55x = 9,034,067.85
  5. Step 5: Solve for x
    x = 9,034,067.85/4,205.55
  6. Step 6: Final answer
    x = 2,148.13

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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.