Home / 7,718.12-10,650.96-4,181.33

Finding the Fourth Proportional to 7,718.12, 10,650.96 and 4,181.33

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Solution

The fourth proportional to 7,718.12, 10,650.96 and 4,181.33 is: 5,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.12 : 10,650.96 = 4,181.33 : x
  2. Step 2: Convert to fraction form
    7,718.12/10,650.96 = 4,181.33/x
  3. Step 3: Cross multiply
    7,718.12x = 10,650.96 × 4,181.33
  4. Step 4: Simplify right side
    7,718.12x = 44,535,178.58
  5. Step 5: Solve for x
    x = 44,535,178.58/7,718.12
  6. Step 6: Final answer
    x = 5,770.21

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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.