Home / 7,114.54-10,677.26-3,221.68

Finding the Fourth Proportional to 7,114.54, 10,677.26 and 3,221.68

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Solution

The fourth proportional to 7,114.54, 10,677.26 and 3,221.68 is: 4,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.54 : 10,677.26 = 3,221.68 : x
  2. Step 2: Convert to fraction form
    7,114.54/10,677.26 = 3,221.68/x
  3. Step 3: Cross multiply
    7,114.54x = 10,677.26 × 3,221.68
  4. Step 4: Simplify right side
    7,114.54x = 34,398,698.89
  5. Step 5: Solve for x
    x = 34,398,698.89/7,114.54
  6. Step 6: Final answer
    x = 4,834.99

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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.