Home / 7,011.29-9,675.30-3,867.48

Finding the Fourth Proportional to 7,011.29, 9,675.30 and 3,867.48

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Solution

The fourth proportional to 7,011.29, 9,675.30 and 3,867.48 is: 5,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.29 : 9,675.30 = 3,867.48 : x
  2. Step 2: Convert to fraction form
    7,011.29/9,675.30 = 3,867.48/x
  3. Step 3: Cross multiply
    7,011.29x = 9,675.30 × 3,867.48
  4. Step 4: Simplify right side
    7,011.29x = 37,419,021.99
  5. Step 5: Solve for x
    x = 37,419,021.99/7,011.29
  6. Step 6: Final answer
    x = 5,336.96

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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.