Home / 5,911.07-8,157.20-4,405.37

Finding the Fourth Proportional to 5,911.07, 8,157.20 and 4,405.37

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Solution

The fourth proportional to 5,911.07, 8,157.20 and 4,405.37 is: 6,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.07 : 8,157.20 = 4,405.37 : x
  2. Step 2: Convert to fraction form
    5,911.07/8,157.20 = 4,405.37/x
  3. Step 3: Cross multiply
    5,911.07x = 8,157.20 × 4,405.37
  4. Step 4: Simplify right side
    5,911.07x = 35,935,421.35
  5. Step 5: Solve for x
    x = 35,935,421.35/5,911.07
  6. Step 6: Final answer
    x = 6,079.35

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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.