Home / 4,461.88-6,687.98-1,993.30

Finding the Fourth Proportional to 4,461.88, 6,687.98 and 1,993.30

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Solution

The fourth proportional to 4,461.88, 6,687.98 and 1,993.30 is: 2,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.88 : 6,687.98 = 1,993.30 : x
  2. Step 2: Convert to fraction form
    4,461.88/6,687.98 = 1,993.30/x
  3. Step 3: Cross multiply
    4,461.88x = 6,687.98 × 1,993.30
  4. Step 4: Simplify right side
    4,461.88x = 13,331,117.09
  5. Step 5: Solve for x
    x = 13,331,117.09/4,461.88
  6. Step 6: Final answer
    x = 2,987.78

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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.