Home / 4,290.87-6,436.31-1,516.02

Finding the Fourth Proportional to 4,290.87, 6,436.31 and 1,516.02

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Solution

The fourth proportional to 4,290.87, 6,436.31 and 1,516.02 is: 2,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.87 : 6,436.31 = 1,516.02 : x
  2. Step 2: Convert to fraction form
    4,290.87/6,436.31 = 1,516.02/x
  3. Step 3: Cross multiply
    4,290.87x = 6,436.31 × 1,516.02
  4. Step 4: Simplify right side
    4,290.87x = 9,757,574.69
  5. Step 5: Solve for x
    x = 9,757,574.69/4,290.87
  6. Step 6: Final answer
    x = 2,274.03

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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.