Home / 7,160.90-10,740.41-2,776.10

Finding the Fourth Proportional to 7,160.90, 10,740.41 and 2,776.10

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Solution

The fourth proportional to 7,160.90, 10,740.41 and 2,776.10 is: 4,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.90 : 10,740.41 = 2,776.10 : x
  2. Step 2: Convert to fraction form
    7,160.90/10,740.41 = 2,776.10/x
  3. Step 3: Cross multiply
    7,160.90x = 10,740.41 × 2,776.10
  4. Step 4: Simplify right side
    7,160.90x = 29,816,438.32
  5. Step 5: Solve for x
    x = 29,816,438.32/7,160.90
  6. Step 6: Final answer
    x = 4,163.78

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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.