Home / 4,020.60-6,030.36-1,425.36

Finding the Fourth Proportional to 4,020.60, 6,030.36 and 1,425.36

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Solution

The fourth proportional to 4,020.60, 6,030.36 and 1,425.36 is: 2,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.60 : 6,030.36 = 1,425.36 : x
  2. Step 2: Convert to fraction form
    4,020.60/6,030.36 = 1,425.36/x
  3. Step 3: Cross multiply
    4,020.60x = 6,030.36 × 1,425.36
  4. Step 4: Simplify right side
    4,020.60x = 8,595,433.93
  5. Step 5: Solve for x
    x = 8,595,433.93/4,020.60
  6. Step 6: Final answer
    x = 2,137.85

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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.