Home / 7,404.41-10,221.64-4,380.05

Finding the Fourth Proportional to 7,404.41, 10,221.64 and 4,380.05

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Solution

The fourth proportional to 7,404.41, 10,221.64 and 4,380.05 is: 6,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.41 : 10,221.64 = 4,380.05 : x
  2. Step 2: Convert to fraction form
    7,404.41/10,221.64 = 4,380.05/x
  3. Step 3: Cross multiply
    7,404.41x = 10,221.64 × 4,380.05
  4. Step 4: Simplify right side
    7,404.41x = 44,771,308.89
  5. Step 5: Solve for x
    x = 44,771,308.89/7,404.41
  6. Step 6: Final answer
    x = 6,046.57

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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.