Home / 7,083.20-10,609.93-3,381.70

Finding the Fourth Proportional to 7,083.20, 10,609.93 and 3,381.70

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Solution

The fourth proportional to 7,083.20, 10,609.93 and 3,381.70 is: 5,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.20 : 10,609.93 = 3,381.70 : x
  2. Step 2: Convert to fraction form
    7,083.20/10,609.93 = 3,381.70/x
  3. Step 3: Cross multiply
    7,083.20x = 10,609.93 × 3,381.70
  4. Step 4: Simplify right side
    7,083.20x = 35,879,600.28
  5. Step 5: Solve for x
    x = 35,879,600.28/7,083.20
  6. Step 6: Final answer
    x = 5,065.45

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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.