Home / 5,164.35-7,121.41-4,420.77

Finding the Fourth Proportional to 5,164.35, 7,121.41 and 4,420.77

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Solution

The fourth proportional to 5,164.35, 7,121.41 and 4,420.77 is: 6,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.35 : 7,121.41 = 4,420.77 : x
  2. Step 2: Convert to fraction form
    5,164.35/7,121.41 = 4,420.77/x
  3. Step 3: Cross multiply
    5,164.35x = 7,121.41 × 4,420.77
  4. Step 4: Simplify right side
    5,164.35x = 31,482,115.69
  5. Step 5: Solve for x
    x = 31,482,115.69/5,164.35
  6. Step 6: Final answer
    x = 6,096.05

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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.