Home / 6,419.64-9,628.91-4,553.55

Finding the Fourth Proportional to 6,419.64, 9,628.91 and 4,553.55

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Solution

The fourth proportional to 6,419.64, 9,628.91 and 4,553.55 is: 6,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.64 : 9,628.91 = 4,553.55 : x
  2. Step 2: Convert to fraction form
    6,419.64/9,628.91 = 4,553.55/x
  3. Step 3: Cross multiply
    6,419.64x = 9,628.91 × 4,553.55
  4. Step 4: Simplify right side
    6,419.64x = 43,845,723.13
  5. Step 5: Solve for x
    x = 43,845,723.13/6,419.64
  6. Step 6: Final answer
    x = 6,829.93

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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.