Home / 5,409.14-8,114.81-2,289.13

Finding the Fourth Proportional to 5,409.14, 8,114.81 and 2,289.13

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Solution

The fourth proportional to 5,409.14, 8,114.81 and 2,289.13 is: 3,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.14 : 8,114.81 = 2,289.13 : x
  2. Step 2: Convert to fraction form
    5,409.14/8,114.81 = 2,289.13/x
  3. Step 3: Cross multiply
    5,409.14x = 8,114.81 × 2,289.13
  4. Step 4: Simplify right side
    5,409.14x = 18,575,823.28
  5. Step 5: Solve for x
    x = 18,575,823.28/5,409.14
  6. Step 6: Final answer
    x = 3,434.16

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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.