Home / 6,945.28-9,584.64-4,149.76

Finding the Fourth Proportional to 6,945.28, 9,584.64 and 4,149.76

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Solution

The fourth proportional to 6,945.28, 9,584.64 and 4,149.76 is: 5,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.28 : 9,584.64 = 4,149.76 : x
  2. Step 2: Convert to fraction form
    6,945.28/9,584.64 = 4,149.76/x
  3. Step 3: Cross multiply
    6,945.28x = 9,584.64 × 4,149.76
  4. Step 4: Simplify right side
    6,945.28x = 39,773,955.69
  5. Step 5: Solve for x
    x = 39,773,955.69/6,945.28
  6. Step 6: Final answer
    x = 5,726.76

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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.