Home / 4,634.70-6,390.87-3,307.86

Finding the Fourth Proportional to 4,634.70, 6,390.87 and 3,307.86

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Solution

The fourth proportional to 4,634.70, 6,390.87 and 3,307.86 is: 4,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634.70 : 6,390.87 = 3,307.86 : x
  2. Step 2: Convert to fraction form
    4,634.70/6,390.87 = 3,307.86/x
  3. Step 3: Cross multiply
    4,634.70x = 6,390.87 × 3,307.86
  4. Step 4: Simplify right side
    4,634.70x = 21,140,103.24
  5. Step 5: Solve for x
    x = 21,140,103.24/4,634.70
  6. Step 6: Final answer
    x = 4,561.27

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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.