Home / 4,385.44-6,579.30-1,920.73

Finding the Fourth Proportional to 4,385.44, 6,579.30 and 1,920.73

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Solution

The fourth proportional to 4,385.44, 6,579.30 and 1,920.73 is: 2,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.44 : 6,579.30 = 1,920.73 : x
  2. Step 2: Convert to fraction form
    4,385.44/6,579.30 = 1,920.73/x
  3. Step 3: Cross multiply
    4,385.44x = 6,579.30 × 1,920.73
  4. Step 4: Simplify right side
    4,385.44x = 12,637,058.89
  5. Step 5: Solve for x
    x = 12,637,058.89/4,385.44
  6. Step 6: Final answer
    x = 2,881.59

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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.