Home / 5,618.41-8,425.89-1,722.70

Finding the Fourth Proportional to 5,618.41, 8,425.89 and 1,722.70

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Solution

The fourth proportional to 5,618.41, 8,425.89 and 1,722.70 is: 2,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.41 : 8,425.89 = 1,722.70 : x
  2. Step 2: Convert to fraction form
    5,618.41/8,425.89 = 1,722.70/x
  3. Step 3: Cross multiply
    5,618.41x = 8,425.89 × 1,722.70
  4. Step 4: Simplify right side
    5,618.41x = 14,515,280.70
  5. Step 5: Solve for x
    x = 14,515,280.70/5,618.41
  6. Step 6: Final answer
    x = 2,583.52

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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.