Home / 5,409.10-8,114.74-2,289.10

Finding the Fourth Proportional to 5,409.10, 8,114.74 and 2,289.10

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Solution

The fourth proportional to 5,409.10, 8,114.74 and 2,289.10 is: 3,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.10 : 8,114.74 = 2,289.10 : x
  2. Step 2: Convert to fraction form
    5,409.10/8,114.74 = 2,289.10/x
  3. Step 3: Cross multiply
    5,409.10x = 8,114.74 × 2,289.10
  4. Step 4: Simplify right side
    5,409.10x = 18,575,451.33
  5. Step 5: Solve for x
    x = 18,575,451.33/5,409.10
  6. Step 6: Final answer
    x = 3,434.11

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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.