Home / 9,405.45-14,113.64-3,862.77

Finding the Fourth Proportional to 9,405.45, 14,113.64 and 3,862.77

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Solution

The fourth proportional to 9,405.45, 14,113.64 and 3,862.77 is: 5,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.45 : 14,113.64 = 3,862.77 : x
  2. Step 2: Convert to fraction form
    9,405.45/14,113.64 = 3,862.77/x
  3. Step 3: Cross multiply
    9,405.45x = 14,113.64 × 3,862.77
  4. Step 4: Simplify right side
    9,405.45x = 54,517,781.30
  5. Step 5: Solve for x
    x = 54,517,781.30/9,405.45
  6. Step 6: Final answer
    x = 5,796.40

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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.