Home / 4,712.27-7,068.41-1,425.36

Finding the Fourth Proportional to 4,712.27, 7,068.41 and 1,425.36

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Solution

The fourth proportional to 4,712.27, 7,068.41 and 1,425.36 is: 2,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.27 : 7,068.41 = 1,425.36 : x
  2. Step 2: Convert to fraction form
    4,712.27/7,068.41 = 1,425.36/x
  3. Step 3: Cross multiply
    4,712.27x = 7,068.41 × 1,425.36
  4. Step 4: Simplify right side
    4,712.27x = 10,075,049.59
  5. Step 5: Solve for x
    x = 10,075,049.59/4,712.27
  6. Step 6: Final answer
    x = 2,138.05

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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.