Home / 4,451.13-6,677.88-1,986.09

Finding the Fourth Proportional to 4,451.13, 6,677.88 and 1,986.09

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Solution

The fourth proportional to 4,451.13, 6,677.88 and 1,986.09 is: 2,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.13 : 6,677.88 = 1,986.09 : x
  2. Step 2: Convert to fraction form
    4,451.13/6,677.88 = 1,986.09/x
  3. Step 3: Cross multiply
    4,451.13x = 6,677.88 × 1,986.09
  4. Step 4: Simplify right side
    4,451.13x = 13,262,870.69
  5. Step 5: Solve for x
    x = 13,262,870.69/4,451.13
  6. Step 6: Final answer
    x = 2,979.66

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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.