Home / 5,391.21-8,088.21-2,925.39

Finding the Fourth Proportional to 5,391.21, 8,088.21 and 2,925.39

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Solution

The fourth proportional to 5,391.21, 8,088.21 and 2,925.39 is: 4,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.21 : 8,088.21 = 2,925.39 : x
  2. Step 2: Convert to fraction form
    5,391.21/8,088.21 = 2,925.39/x
  3. Step 3: Cross multiply
    5,391.21x = 8,088.21 × 2,925.39
  4. Step 4: Simplify right side
    5,391.21x = 23,661,168.65
  5. Step 5: Solve for x
    x = 23,661,168.65/5,391.21
  6. Step 6: Final answer
    x = 4,388.84

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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.