Home / 4,257.42-6,386.13-1,335.95

Finding the Fourth Proportional to 4,257.42, 6,386.13 and 1,335.95

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Solution

The fourth proportional to 4,257.42, 6,386.13 and 1,335.95 is: 2,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.42 : 6,386.13 = 1,335.95 : x
  2. Step 2: Convert to fraction form
    4,257.42/6,386.13 = 1,335.95/x
  3. Step 3: Cross multiply
    4,257.42x = 6,386.13 × 1,335.95
  4. Step 4: Simplify right side
    4,257.42x = 8,531,550.37
  5. Step 5: Solve for x
    x = 8,531,550.37/4,257.42
  6. Step 6: Final answer
    x = 2,003.93

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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.