Home / 5,880-8,114.12-3,521.68

Finding the Fourth Proportional to 5,880, 8,114.12 and 3,521.68

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Solution

The fourth proportional to 5,880, 8,114.12 and 3,521.68 is: 4,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880 : 8,114.12 = 3,521.68 : x
  2. Step 2: Convert to fraction form
    5,880/8,114.12 = 3,521.68/x
  3. Step 3: Cross multiply
    5,880x = 8,114.12 × 3,521.68
  4. Step 4: Simplify right side
    5,880x = 28,575,334.12
  5. Step 5: Solve for x
    x = 28,575,334.12/5,880
  6. Step 6: Final answer
    x = 4,859.75

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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.