Home / 5,506.80-8,260.74-1,808.88

Finding the Fourth Proportional to 5,506.80, 8,260.74 and 1,808.88

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Solution

The fourth proportional to 5,506.80, 8,260.74 and 1,808.88 is: 2,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.80 : 8,260.74 = 1,808.88 : x
  2. Step 2: Convert to fraction form
    5,506.80/8,260.74 = 1,808.88/x
  3. Step 3: Cross multiply
    5,506.80x = 8,260.74 × 1,808.88
  4. Step 4: Simplify right side
    5,506.80x = 14,942,687.37
  5. Step 5: Solve for x
    x = 14,942,687.37/5,506.80
  6. Step 6: Final answer
    x = 2,713.50

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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.