Home / 7,158.15-10,738.23-2,776.05

Finding the Fourth Proportional to 7,158.15, 10,738.23 and 2,776.05

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Solution

The fourth proportional to 7,158.15, 10,738.23 and 2,776.05 is: 4,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.15 : 10,738.23 = 2,776.05 : x
  2. Step 2: Convert to fraction form
    7,158.15/10,738.23 = 2,776.05/x
  3. Step 3: Cross multiply
    7,158.15x = 10,738.23 × 2,776.05
  4. Step 4: Simplify right side
    7,158.15x = 29,809,863.39
  5. Step 5: Solve for x
    x = 29,809,863.39/7,158.15
  6. Step 6: Final answer
    x = 4,164.46

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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.