Home / 5,409.07-8,114.70-2,289.08

Finding the Fourth Proportional to 5,409.07, 8,114.70 and 2,289.08

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Solution

The fourth proportional to 5,409.07, 8,114.70 and 2,289.08 is: 3,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.07 : 8,114.70 = 2,289.08 : x
  2. Step 2: Convert to fraction form
    5,409.07/8,114.70 = 2,289.08/x
  3. Step 3: Cross multiply
    5,409.07x = 8,114.70 × 2,289.08
  4. Step 4: Simplify right side
    5,409.07x = 18,575,197.48
  5. Step 5: Solve for x
    x = 18,575,197.48/5,409.07
  6. Step 6: Final answer
    x = 3,434.08

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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.