Home / 4,257.90-6,385.23-1,792.06

Finding the Fourth Proportional to 4,257.90, 6,385.23 and 1,792.06

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Solution

The fourth proportional to 4,257.90, 6,385.23 and 1,792.06 is: 2,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.90 : 6,385.23 = 1,792.06 : x
  2. Step 2: Convert to fraction form
    4,257.90/6,385.23 = 1,792.06/x
  3. Step 3: Cross multiply
    4,257.90x = 6,385.23 × 1,792.06
  4. Step 4: Simplify right side
    4,257.90x = 11,442,699.31
  5. Step 5: Solve for x
    x = 11,442,699.31/4,257.90
  6. Step 6: Final answer
    x = 2,687.40

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1.5x scale

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.