Home / 9,800.64-14,701.77-3,138.11

Finding the Fourth Proportional to 9,800.64, 14,701.77 and 3,138.11

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Solution

The fourth proportional to 9,800.64, 14,701.77 and 3,138.11 is: 4,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.64 : 14,701.77 = 3,138.11 : x
  2. Step 2: Convert to fraction form
    9,800.64/14,701.77 = 3,138.11/x
  3. Step 3: Cross multiply
    9,800.64x = 14,701.77 × 3,138.11
  4. Step 4: Simplify right side
    9,800.64x = 46,135,682.26
  5. Step 5: Solve for x
    x = 46,135,682.26/9,800.64
  6. Step 6: Final answer
    x = 4,707.42

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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.