Home / 5,555.94-8,334.21-1,660.65

Finding the Fourth Proportional to 5,555.94, 8,334.21 and 1,660.65

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Solution

The fourth proportional to 5,555.94, 8,334.21 and 1,660.65 is: 2,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.94 : 8,334.21 = 1,660.65 : x
  2. Step 2: Convert to fraction form
    5,555.94/8,334.21 = 1,660.65/x
  3. Step 3: Cross multiply
    5,555.94x = 8,334.21 × 1,660.65
  4. Step 4: Simplify right side
    5,555.94x = 13,840,205.84
  5. Step 5: Solve for x
    x = 13,840,205.84/5,555.94
  6. Step 6: Final answer
    x = 2,491.06

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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.