Home / 4,542.85-6,814.30-1,380.32

Finding the Fourth Proportional to 4,542.85, 6,814.30 and 1,380.32

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Solution

The fourth proportional to 4,542.85, 6,814.30 and 1,380.32 is: 2,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.85 : 6,814.30 = 1,380.32 : x
  2. Step 2: Convert to fraction form
    4,542.85/6,814.30 = 1,380.32/x
  3. Step 3: Cross multiply
    4,542.85x = 6,814.30 × 1,380.32
  4. Step 4: Simplify right side
    4,542.85x = 9,405,914.58
  5. Step 5: Solve for x
    x = 9,405,914.58/4,542.85
  6. Step 6: Final answer
    x = 2,070.49

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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.