Home / 5,722.50-8,583.76-1,618.50

Finding the Fourth Proportional to 5,722.50, 8,583.76 and 1,618.50

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Solution

The fourth proportional to 5,722.50, 8,583.76 and 1,618.50 is: 2,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.50 : 8,583.76 = 1,618.50 : x
  2. Step 2: Convert to fraction form
    5,722.50/8,583.76 = 1,618.50/x
  3. Step 3: Cross multiply
    5,722.50x = 8,583.76 × 1,618.50
  4. Step 4: Simplify right side
    5,722.50x = 13,892,815.56
  5. Step 5: Solve for x
    x = 13,892,815.56/5,722.50
  6. Step 6: Final answer
    x = 2,427.75

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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.