Home / 7,718.05-10,650.89-4,181.27

Finding the Fourth Proportional to 7,718.05, 10,650.89 and 4,181.27

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Solution

The fourth proportional to 7,718.05, 10,650.89 and 4,181.27 is: 5,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.05 : 10,650.89 = 4,181.27 : x
  2. Step 2: Convert to fraction form
    7,718.05/10,650.89 = 4,181.27/x
  3. Step 3: Cross multiply
    7,718.05x = 10,650.89 × 4,181.27
  4. Step 4: Simplify right side
    7,718.05x = 44,534,246.83
  5. Step 5: Solve for x
    x = 44,534,246.83/7,718.05
  6. Step 6: Final answer
    x = 5,770.15

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1.5x scale

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.