Home / 4,518.41-6,781.12-2,957.99

Finding the Fourth Proportional to 4,518.41, 6,781.12 and 2,957.99

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Solution

The fourth proportional to 4,518.41, 6,781.12 and 2,957.99 is: 4,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.41 : 6,781.12 = 2,957.99 : x
  2. Step 2: Convert to fraction form
    4,518.41/6,781.12 = 2,957.99/x
  3. Step 3: Cross multiply
    4,518.41x = 6,781.12 × 2,957.99
  4. Step 4: Simplify right side
    4,518.41x = 20,058,443.85
  5. Step 5: Solve for x
    x = 20,058,443.85/4,518.41
  6. Step 6: Final answer
    x = 4,439.28

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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.