Home / 6,404.10-9,606.15-2,021.55

Finding the Fourth Proportional to 6,404.10, 9,606.15 and 2,021.55

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Solution

The fourth proportional to 6,404.10, 9,606.15 and 2,021.55 is: 3,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.10 : 9,606.15 = 2,021.55 : x
  2. Step 2: Convert to fraction form
    6,404.10/9,606.15 = 2,021.55/x
  3. Step 3: Cross multiply
    6,404.10x = 9,606.15 × 2,021.55
  4. Step 4: Simplify right side
    6,404.10x = 19,419,312.53
  5. Step 5: Solve for x
    x = 19,419,312.53/6,404.10
  6. Step 6: Final answer
    x = 3,032.33

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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.