Home / 7,657.10-11,485.71-2,110.75

Finding the Fourth Proportional to 7,657.10, 11,485.71 and 2,110.75

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Solution

The fourth proportional to 7,657.10, 11,485.71 and 2,110.75 is: 3,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.10 : 11,485.71 = 2,110.75 : x
  2. Step 2: Convert to fraction form
    7,657.10/11,485.71 = 2,110.75/x
  3. Step 3: Cross multiply
    7,657.10x = 11,485.71 × 2,110.75
  4. Step 4: Simplify right side
    7,657.10x = 24,243,462.38
  5. Step 5: Solve for x
    x = 24,243,462.38/7,657.10
  6. Step 6: Final answer
    x = 3,166.14

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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.