Home / 7,607.16-11,405.85-3,167.90

Finding the Fourth Proportional to 7,607.16, 11,405.85 and 3,167.90

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Solution

The fourth proportional to 7,607.16, 11,405.85 and 3,167.90 is: 4,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.16 : 11,405.85 = 3,167.90 : x
  2. Step 2: Convert to fraction form
    7,607.16/11,405.85 = 3,167.90/x
  3. Step 3: Cross multiply
    7,607.16x = 11,405.85 × 3,167.90
  4. Step 4: Simplify right side
    7,607.16x = 36,132,592.22
  5. Step 5: Solve for x
    x = 36,132,592.22/7,607.16
  6. Step 6: Final answer
    x = 4,749.81

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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.