Home / 5,819.00-8,030.21-3,166.40

Finding the Fourth Proportional to 5,819.00, 8,030.21 and 3,166.40

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Solution

The fourth proportional to 5,819.00, 8,030.21 and 3,166.40 is: 4,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.00 : 8,030.21 = 3,166.40 : x
  2. Step 2: Convert to fraction form
    5,819.00/8,030.21 = 3,166.40/x
  3. Step 3: Cross multiply
    5,819.00x = 8,030.21 × 3,166.40
  4. Step 4: Simplify right side
    5,819.00x = 25,426,856.94
  5. Step 5: Solve for x
    x = 25,426,856.94/5,819.00
  6. Step 6: Final answer
    x = 4,369.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.