Home / 4,290.47-6,435.74-1,693.41

Finding the Fourth Proportional to 4,290.47, 6,435.74 and 1,693.41

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Solution

The fourth proportional to 4,290.47, 6,435.74 and 1,693.41 is: 2,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.47 : 6,435.74 = 1,693.41 : x
  2. Step 2: Convert to fraction form
    4,290.47/6,435.74 = 1,693.41/x
  3. Step 3: Cross multiply
    4,290.47x = 6,435.74 × 1,693.41
  4. Step 4: Simplify right side
    4,290.47x = 10,898,324.19
  5. Step 5: Solve for x
    x = 10,898,324.19/4,290.47
  6. Step 6: Final answer
    x = 2,540.12

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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.