Home / 5,355.45-8,028.56-2,070.85

Finding the Fourth Proportional to 5,355.45, 8,028.56 and 2,070.85

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Solution

The fourth proportional to 5,355.45, 8,028.56 and 2,070.85 is: 3,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.45 : 8,028.56 = 2,070.85 : x
  2. Step 2: Convert to fraction form
    5,355.45/8,028.56 = 2,070.85/x
  3. Step 3: Cross multiply
    5,355.45x = 8,028.56 × 2,070.85
  4. Step 4: Simplify right side
    5,355.45x = 16,625,943.48
  5. Step 5: Solve for x
    x = 16,625,943.48/5,355.45
  6. Step 6: Final answer
    x = 3,104.49

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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.