Home / 4,290.93-6,436.80-1,517.31

Finding the Fourth Proportional to 4,290.93, 6,436.80 and 1,517.31

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Solution

The fourth proportional to 4,290.93, 6,436.80 and 1,517.31 is: 2,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.93 : 6,436.80 = 1,517.31 : x
  2. Step 2: Convert to fraction form
    4,290.93/6,436.80 = 1,517.31/x
  3. Step 3: Cross multiply
    4,290.93x = 6,436.80 × 1,517.31
  4. Step 4: Simplify right side
    4,290.93x = 9,766,621.01
  5. Step 5: Solve for x
    x = 9,766,621.01/4,290.93
  6. Step 6: Final answer
    x = 2,276.11

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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.