Home / 7,355.81-11,035.85-2,161.69

Finding the Fourth Proportional to 7,355.81, 11,035.85 and 2,161.69

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Solution

The fourth proportional to 7,355.81, 11,035.85 and 2,161.69 is: 3,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.81 : 11,035.85 = 2,161.69 : x
  2. Step 2: Convert to fraction form
    7,355.81/11,035.85 = 2,161.69/x
  3. Step 3: Cross multiply
    7,355.81x = 11,035.85 × 2,161.69
  4. Step 4: Simplify right side
    7,355.81x = 23,856,048.19
  5. Step 5: Solve for x
    x = 23,856,048.19/7,355.81
  6. Step 6: Final answer
    x = 3,243.16

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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.