Home / 8,604.08-12,904.90-2,759.93

Finding the Fourth Proportional to 8,604.08, 12,904.90 and 2,759.93

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Solution

The fourth proportional to 8,604.08, 12,904.90 and 2,759.93 is: 4,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.08 : 12,904.90 = 2,759.93 : x
  2. Step 2: Convert to fraction form
    8,604.08/12,904.90 = 2,759.93/x
  3. Step 3: Cross multiply
    8,604.08x = 12,904.90 × 2,759.93
  4. Step 4: Simplify right side
    8,604.08x = 35,616,613.15
  5. Step 5: Solve for x
    x = 35,616,613.15/8,604.08
  6. Step 6: Final answer
    x = 4,139.50

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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.