Home / 7,380.12-10,181.52-4,395.36

Finding the Fourth Proportional to 7,380.12, 10,181.52 and 4,395.36

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Solution

The fourth proportional to 7,380.12, 10,181.52 and 4,395.36 is: 6,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.12 : 10,181.52 = 4,395.36 : x
  2. Step 2: Convert to fraction form
    7,380.12/10,181.52 = 4,395.36/x
  3. Step 3: Cross multiply
    7,380.12x = 10,181.52 × 4,395.36
  4. Step 4: Simplify right side
    7,380.12x = 44,751,445.75
  5. Step 5: Solve for x
    x = 44,751,445.75/7,380.12
  6. Step 6: Final answer
    x = 6,063.78

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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.