Home / 5,388.74-8,084.32-2,925.80

Finding the Fourth Proportional to 5,388.74, 8,084.32 and 2,925.80

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Solution

The fourth proportional to 5,388.74, 8,084.32 and 2,925.80 is: 4,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.74 : 8,084.32 = 2,925.80 : x
  2. Step 2: Convert to fraction form
    5,388.74/8,084.32 = 2,925.80/x
  3. Step 3: Cross multiply
    5,388.74x = 8,084.32 × 2,925.80
  4. Step 4: Simplify right side
    5,388.74x = 23,653,103.46
  5. Step 5: Solve for x
    x = 23,653,103.46/5,388.74
  6. Step 6: Final answer
    x = 4,389.36

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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.