Home / 5,410.80-8,117.46-2,777.22

Finding the Fourth Proportional to 5,410.80, 8,117.46 and 2,777.22

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Solution

The fourth proportional to 5,410.80, 8,117.46 and 2,777.22 is: 4,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.80 : 8,117.46 = 2,777.22 : x
  2. Step 2: Convert to fraction form
    5,410.80/8,117.46 = 2,777.22/x
  3. Step 3: Cross multiply
    5,410.80x = 8,117.46 × 2,777.22
  4. Step 4: Simplify right side
    5,410.80x = 22,543,972.26
  5. Step 5: Solve for x
    x = 22,543,972.26/5,410.80
  6. Step 6: Final answer
    x = 4,166.48

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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.