Home / 5,073.07-7,609.59-1,785.79

Finding the Fourth Proportional to 5,073.07, 7,609.59 and 1,785.79

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Solution

The fourth proportional to 5,073.07, 7,609.59 and 1,785.79 is: 2,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.07 : 7,609.59 = 1,785.79 : x
  2. Step 2: Convert to fraction form
    5,073.07/7,609.59 = 1,785.79/x
  3. Step 3: Cross multiply
    5,073.07x = 7,609.59 × 1,785.79
  4. Step 4: Simplify right side
    5,073.07x = 13,589,129.73
  5. Step 5: Solve for x
    x = 13,589,129.73/5,073.07
  6. Step 6: Final answer
    x = 2,678.68

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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.