Home / 5,283.68-7,292.55-3,609.72

Finding the Fourth Proportional to 5,283.68, 7,292.55 and 3,609.72

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Solution

The fourth proportional to 5,283.68, 7,292.55 and 3,609.72 is: 4,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.68 : 7,292.55 = 3,609.72 : x
  2. Step 2: Convert to fraction form
    5,283.68/7,292.55 = 3,609.72/x
  3. Step 3: Cross multiply
    5,283.68x = 7,292.55 × 3,609.72
  4. Step 4: Simplify right side
    5,283.68x = 26,324,063.59
  5. Step 5: Solve for x
    x = 26,324,063.59/5,283.68
  6. Step 6: Final answer
    x = 4,982.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.