Home / 7,688.66-11,523.65-4,170.33

Finding the Fourth Proportional to 7,688.66, 11,523.65 and 4,170.33

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Solution

The fourth proportional to 7,688.66, 11,523.65 and 4,170.33 is: 6,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.66 : 11,523.65 = 4,170.33 : x
  2. Step 2: Convert to fraction form
    7,688.66/11,523.65 = 4,170.33/x
  3. Step 3: Cross multiply
    7,688.66x = 11,523.65 × 4,170.33
  4. Step 4: Simplify right side
    7,688.66x = 48,057,374.88
  5. Step 5: Solve for x
    x = 48,057,374.88/7,688.66
  6. Step 6: Final answer
    x = 6,250.42

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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.