Home / 5,579.99-8,370.29-1,684.30

Finding the Fourth Proportional to 5,579.99, 8,370.29 and 1,684.30

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Solution

The fourth proportional to 5,579.99, 8,370.29 and 1,684.30 is: 2,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.99 : 8,370.29 = 1,684.30 : x
  2. Step 2: Convert to fraction form
    5,579.99/8,370.29 = 1,684.30/x
  3. Step 3: Cross multiply
    5,579.99x = 8,370.29 × 1,684.30
  4. Step 4: Simplify right side
    5,579.99x = 14,098,043.88
  5. Step 5: Solve for x
    x = 14,098,043.88/5,579.99
  6. Step 6: Final answer
    x = 2,526.54

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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.