Home / 5,510.91-8,260.12-2,739.55

Finding the Fourth Proportional to 5,510.91, 8,260.12 and 2,739.55

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Solution

The fourth proportional to 5,510.91, 8,260.12 and 2,739.55 is: 4,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.91 : 8,260.12 = 2,739.55 : x
  2. Step 2: Convert to fraction form
    5,510.91/8,260.12 = 2,739.55/x
  3. Step 3: Cross multiply
    5,510.91x = 8,260.12 × 2,739.55
  4. Step 4: Simplify right side
    5,510.91x = 22,629,011.75
  5. Step 5: Solve for x
    x = 22,629,011.75/5,510.91
  6. Step 6: Final answer
    x = 4,106.22

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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.