Home / 5,104.76-7,642.56-3,864.92

Finding the Fourth Proportional to 5,104.76, 7,642.56 and 3,864.92

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Solution

The fourth proportional to 5,104.76, 7,642.56 and 3,864.92 is: 5,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.76 : 7,642.56 = 3,864.92 : x
  2. Step 2: Convert to fraction form
    5,104.76/7,642.56 = 3,864.92/x
  3. Step 3: Cross multiply
    5,104.76x = 7,642.56 × 3,864.92
  4. Step 4: Simplify right side
    5,104.76x = 29,537,883.00
  5. Step 5: Solve for x
    x = 29,537,883.00/5,104.76
  6. Step 6: Final answer
    x = 5,786.34

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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.