Home / 6,168.16-8,511.69-3,515.86

Finding the Fourth Proportional to 6,168.16, 8,511.69 and 3,515.86

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Solution

The fourth proportional to 6,168.16, 8,511.69 and 3,515.86 is: 4,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.16 : 8,511.69 = 3,515.86 : x
  2. Step 2: Convert to fraction form
    6,168.16/8,511.69 = 3,515.86/x
  3. Step 3: Cross multiply
    6,168.16x = 8,511.69 × 3,515.86
  4. Step 4: Simplify right side
    6,168.16x = 29,925,910.40
  5. Step 5: Solve for x
    x = 29,925,910.40/6,168.16
  6. Step 6: Final answer
    x = 4,851.68

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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.