Home / 6,209.40-8,569.36-3,520.86

Finding the Fourth Proportional to 6,209.40, 8,569.36 and 3,520.86

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Solution

The fourth proportional to 6,209.40, 8,569.36 and 3,520.86 is: 4,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.40 : 8,569.36 = 3,520.86 : x
  2. Step 2: Convert to fraction form
    6,209.40/8,569.36 = 3,520.86/x
  3. Step 3: Cross multiply
    6,209.40x = 8,569.36 × 3,520.86
  4. Step 4: Simplify right side
    6,209.40x = 30,171,516.85
  5. Step 5: Solve for x
    x = 30,171,516.85/6,209.40
  6. Step 6: Final answer
    x = 4,859.01

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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.