Home / 5,409.81-7,465.32-3,019.68

Finding the Fourth Proportional to 5,409.81, 7,465.32 and 3,019.68

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Solution

The fourth proportional to 5,409.81, 7,465.32 and 3,019.68 is: 4,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.81 : 7,465.32 = 3,019.68 : x
  2. Step 2: Convert to fraction form
    5,409.81/7,465.32 = 3,019.68/x
  3. Step 3: Cross multiply
    5,409.81x = 7,465.32 × 3,019.68
  4. Step 4: Simplify right side
    5,409.81x = 22,542,877.50
  5. Step 5: Solve for x
    x = 22,542,877.50/5,409.81
  6. Step 6: Final answer
    x = 4,167.04

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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.