Home / 4,254.30-6,377.57-1,789.30

Finding the Fourth Proportional to 4,254.30, 6,377.57 and 1,789.30

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Solution

The fourth proportional to 4,254.30, 6,377.57 and 1,789.30 is: 2,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.30 : 6,377.57 = 1,789.30 : x
  2. Step 2: Convert to fraction form
    4,254.30/6,377.57 = 1,789.30/x
  3. Step 3: Cross multiply
    4,254.30x = 6,377.57 × 1,789.30
  4. Step 4: Simplify right side
    4,254.30x = 11,411,361.11
  5. Step 5: Solve for x
    x = 11,411,361.11/4,254.30
  6. Step 6: Final answer
    x = 2,682.31

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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.