Home / 8,503.24-12,759.21-3,509.32

Finding the Fourth Proportional to 8,503.24, 12,759.21 and 3,509.32

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Solution

The fourth proportional to 8,503.24, 12,759.21 and 3,509.32 is: 5,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.24 : 12,759.21 = 3,509.32 : x
  2. Step 2: Convert to fraction form
    8,503.24/12,759.21 = 3,509.32/x
  3. Step 3: Cross multiply
    8,503.24x = 12,759.21 × 3,509.32
  4. Step 4: Simplify right side
    8,503.24x = 44,776,150.84
  5. Step 5: Solve for x
    x = 44,776,150.84/8,503.24
  6. Step 6: Final answer
    x = 5,265.78

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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.