Home / 5,618.59-8,427.57-1,722.99

Finding the Fourth Proportional to 5,618.59, 8,427.57 and 1,722.99

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Solution

The fourth proportional to 5,618.59, 8,427.57 and 1,722.99 is: 2,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.59 : 8,427.57 = 1,722.99 : x
  2. Step 2: Convert to fraction form
    5,618.59/8,427.57 = 1,722.99/x
  3. Step 3: Cross multiply
    5,618.59x = 8,427.57 × 1,722.99
  4. Step 4: Simplify right side
    5,618.59x = 14,520,576.70
  5. Step 5: Solve for x
    x = 14,520,576.70/5,618.59
  6. Step 6: Final answer
    x = 2,584.38

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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.