Home / 5,819.10-8,728.72-1,659.20

Finding the Fourth Proportional to 5,819.10, 8,728.72 and 1,659.20

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Solution

The fourth proportional to 5,819.10, 8,728.72 and 1,659.20 is: 2,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.10 : 8,728.72 = 1,659.20 : x
  2. Step 2: Convert to fraction form
    5,819.10/8,728.72 = 1,659.20/x
  3. Step 3: Cross multiply
    5,819.10x = 8,728.72 × 1,659.20
  4. Step 4: Simplify right side
    5,819.10x = 14,482,692.22
  5. Step 5: Solve for x
    x = 14,482,692.22/5,819.10
  6. Step 6: Final answer
    x = 2,488.82

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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.