Home / 7,976.95-11,966.74-2,428.92

Finding the Fourth Proportional to 7,976.95, 11,966.74 and 2,428.92

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Solution

The fourth proportional to 7,976.95, 11,966.74 and 2,428.92 is: 3,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.95 : 11,966.74 = 2,428.92 : x
  2. Step 2: Convert to fraction form
    7,976.95/11,966.74 = 2,428.92/x
  3. Step 3: Cross multiply
    7,976.95x = 11,966.74 × 2,428.92
  4. Step 4: Simplify right side
    7,976.95x = 29,066,248.05
  5. Step 5: Solve for x
    x = 29,066,248.05/7,976.95
  6. Step 6: Final answer
    x = 3,643.78

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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.