Home / 4,485.70-6,729.32-1,712.62

Finding the Fourth Proportional to 4,485.70, 6,729.32 and 1,712.62

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Solution

The fourth proportional to 4,485.70, 6,729.32 and 1,712.62 is: 2,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.70 : 6,729.32 = 1,712.62 : x
  2. Step 2: Convert to fraction form
    4,485.70/6,729.32 = 1,712.62/x
  3. Step 3: Cross multiply
    4,485.70x = 6,729.32 × 1,712.62
  4. Step 4: Simplify right side
    4,485.70x = 11,524,768.02
  5. Step 5: Solve for x
    x = 11,524,768.02/4,485.70
  6. Step 6: Final answer
    x = 2,569.22

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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.