Home / 4,257.65-6,385.31-2,695.30

Finding the Fourth Proportional to 4,257.65, 6,385.31 and 2,695.30

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Solution

The fourth proportional to 4,257.65, 6,385.31 and 2,695.30 is: 4,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.65 : 6,385.31 = 2,695.30 : x
  2. Step 2: Convert to fraction form
    4,257.65/6,385.31 = 2,695.30/x
  3. Step 3: Cross multiply
    4,257.65x = 6,385.31 × 2,695.30
  4. Step 4: Simplify right side
    4,257.65x = 17,210,326.04
  5. Step 5: Solve for x
    x = 17,210,326.04/4,257.65
  6. Step 6: Final answer
    x = 4,042.21

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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.