Home / 7,158.76-10,739.42-2,776.36

Finding the Fourth Proportional to 7,158.76, 10,739.42 and 2,776.36

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Solution

The fourth proportional to 7,158.76, 10,739.42 and 2,776.36 is: 4,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.76 : 10,739.42 = 2,776.36 : x
  2. Step 2: Convert to fraction form
    7,158.76/10,739.42 = 2,776.36/x
  3. Step 3: Cross multiply
    7,158.76x = 10,739.42 × 2,776.36
  4. Step 4: Simplify right side
    7,158.76x = 29,816,496.11
  5. Step 5: Solve for x
    x = 29,816,496.11/7,158.76
  6. Step 6: Final answer
    x = 4,165.04

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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.