Home / 7,966.88-11,950.32-3,865.76

Finding the Fourth Proportional to 7,966.88, 11,950.32 and 3,865.76

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Solution

The fourth proportional to 7,966.88, 11,950.32 and 3,865.76 is: 5,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.88 : 11,950.32 = 3,865.76 : x
  2. Step 2: Convert to fraction form
    7,966.88/11,950.32 = 3,865.76/x
  3. Step 3: Cross multiply
    7,966.88x = 11,950.32 × 3,865.76
  4. Step 4: Simplify right side
    7,966.88x = 46,197,069.04
  5. Step 5: Solve for x
    x = 46,197,069.04/7,966.88
  6. Step 6: Final answer
    x = 5,798.64

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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.