Home / 4,257.43-6,386.14-2,321.93

Finding the Fourth Proportional to 4,257.43, 6,386.14 and 2,321.93

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Solution

The fourth proportional to 4,257.43, 6,386.14 and 2,321.93 is: 3,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.43 : 6,386.14 = 2,321.93 : x
  2. Step 2: Convert to fraction form
    4,257.43/6,386.14 = 2,321.93/x
  3. Step 3: Cross multiply
    4,257.43x = 6,386.14 × 2,321.93
  4. Step 4: Simplify right side
    4,257.43x = 14,828,170.05
  5. Step 5: Solve for x
    x = 14,828,170.05/4,257.43
  6. Step 6: Final answer
    x = 3,482.89

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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.