Home / 7,849.92-11,774.16-2,655.84

Finding the Fourth Proportional to 7,849.92, 11,774.16 and 2,655.84

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Solution

The fourth proportional to 7,849.92, 11,774.16 and 2,655.84 is: 3,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.92 : 11,774.16 = 2,655.84 : x
  2. Step 2: Convert to fraction form
    7,849.92/11,774.16 = 2,655.84/x
  3. Step 3: Cross multiply
    7,849.92x = 11,774.16 × 2,655.84
  4. Step 4: Simplify right side
    7,849.92x = 31,270,285.09
  5. Step 5: Solve for x
    x = 31,270,285.09/7,849.92
  6. Step 6: Final answer
    x = 3,983.52

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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.