Home / 5,429.23-8,130.98-3,447.77

Finding the Fourth Proportional to 5,429.23, 8,130.98 and 3,447.77

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Solution

The fourth proportional to 5,429.23, 8,130.98 and 3,447.77 is: 5,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.23 : 8,130.98 = 3,447.77 : x
  2. Step 2: Convert to fraction form
    5,429.23/8,130.98 = 3,447.77/x
  3. Step 3: Cross multiply
    5,429.23x = 8,130.98 × 3,447.77
  4. Step 4: Simplify right side
    5,429.23x = 28,033,716.88
  5. Step 5: Solve for x
    x = 28,033,716.88/5,429.23
  6. Step 6: Final answer
    x = 5,163.48

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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.