Home / 5,559.30-8,338.73-1,861.25

Finding the Fourth Proportional to 5,559.30, 8,338.73 and 1,861.25

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Solution

The fourth proportional to 5,559.30, 8,338.73 and 1,861.25 is: 2,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.30 : 8,338.73 = 1,861.25 : x
  2. Step 2: Convert to fraction form
    5,559.30/8,338.73 = 1,861.25/x
  3. Step 3: Cross multiply
    5,559.30x = 8,338.73 × 1,861.25
  4. Step 4: Simplify right side
    5,559.30x = 15,520,461.21
  5. Step 5: Solve for x
    x = 15,520,461.21/5,559.30
  6. Step 6: Final answer
    x = 2,791.80

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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.