Home / 5,199.06-7,176.41-4,138.77

Finding the Fourth Proportional to 5,199.06, 7,176.41 and 4,138.77

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Solution

The fourth proportional to 5,199.06, 7,176.41 and 4,138.77 is: 5,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.06 : 7,176.41 = 4,138.77 : x
  2. Step 2: Convert to fraction form
    5,199.06/7,176.41 = 4,138.77/x
  3. Step 3: Cross multiply
    5,199.06x = 7,176.41 × 4,138.77
  4. Step 4: Simplify right side
    5,199.06x = 29,701,510.42
  5. Step 5: Solve for x
    x = 29,701,510.42/5,199.06
  6. Step 6: Final answer
    x = 5,712.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.