Home / 6,109.40-9,157.86-2,406.54

Finding the Fourth Proportional to 6,109.40, 9,157.86 and 2,406.54

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Solution

The fourth proportional to 6,109.40, 9,157.86 and 2,406.54 is: 3,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.40 : 9,157.86 = 2,406.54 : x
  2. Step 2: Convert to fraction form
    6,109.40/9,157.86 = 2,406.54/x
  3. Step 3: Cross multiply
    6,109.40x = 9,157.86 × 2,406.54
  4. Step 4: Simplify right side
    6,109.40x = 22,038,713.48
  5. Step 5: Solve for x
    x = 22,038,713.48/6,109.40
  6. Step 6: Final answer
    x = 3,607.35

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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.