Home / 8,430.58-12,650.44-3,503.62

Finding the Fourth Proportional to 8,430.58, 12,650.44 and 3,503.62

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Solution

The fourth proportional to 8,430.58, 12,650.44 and 3,503.62 is: 5,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.58 : 12,650.44 = 3,503.62 : x
  2. Step 2: Convert to fraction form
    8,430.58/12,650.44 = 3,503.62/x
  3. Step 3: Cross multiply
    8,430.58x = 12,650.44 × 3,503.62
  4. Step 4: Simplify right side
    8,430.58x = 44,322,334.59
  5. Step 5: Solve for x
    x = 44,322,334.59/8,430.58
  6. Step 6: Final answer
    x = 5,257.33

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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.