Home / 7,677.51-11,516.26-2,130.86

Finding the Fourth Proportional to 7,677.51, 11,516.26 and 2,130.86

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Solution

The fourth proportional to 7,677.51, 11,516.26 and 2,130.86 is: 3,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.51 : 11,516.26 = 2,130.86 : x
  2. Step 2: Convert to fraction form
    7,677.51/11,516.26 = 2,130.86/x
  3. Step 3: Cross multiply
    7,677.51x = 11,516.26 × 2,130.86
  4. Step 4: Simplify right side
    7,677.51x = 24,539,469.55
  5. Step 5: Solve for x
    x = 24,539,469.55/7,677.51
  6. Step 6: Final answer
    x = 3,196.28

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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.