Home / 6,403.05-8,835.99-3,750.40

Finding the Fourth Proportional to 6,403.05, 8,835.99 and 3,750.40

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Solution

The fourth proportional to 6,403.05, 8,835.99 and 3,750.40 is: 5,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.05 : 8,835.99 = 3,750.40 : x
  2. Step 2: Convert to fraction form
    6,403.05/8,835.99 = 3,750.40/x
  3. Step 3: Cross multiply
    6,403.05x = 8,835.99 × 3,750.40
  4. Step 4: Simplify right side
    6,403.05x = 33,138,493.88
  5. Step 5: Solve for x
    x = 33,138,493.88/6,403.05
  6. Step 6: Final answer
    x = 5,175.42

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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.