Home / 7,429.24-11,143.80-3,046.70

Finding the Fourth Proportional to 7,429.24, 11,143.80 and 3,046.70

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Solution

The fourth proportional to 7,429.24, 11,143.80 and 3,046.70 is: 4,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.24 : 11,143.80 = 3,046.70 : x
  2. Step 2: Convert to fraction form
    7,429.24/11,143.80 = 3,046.70/x
  3. Step 3: Cross multiply
    7,429.24x = 11,143.80 × 3,046.70
  4. Step 4: Simplify right side
    7,429.24x = 33,951,815.46
  5. Step 5: Solve for x
    x = 33,951,815.46/7,429.24
  6. Step 6: Final answer
    x = 4,570.03

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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.