Home / 9,883.80-13,639.05-5,634.27

Finding the Fourth Proportional to 9,883.80, 13,639.05 and 5,634.27

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Solution

The fourth proportional to 9,883.80, 13,639.05 and 5,634.27 is: 7,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.80 : 13,639.05 = 5,634.27 : x
  2. Step 2: Convert to fraction form
    9,883.80/13,639.05 = 5,634.27/x
  3. Step 3: Cross multiply
    9,883.80x = 13,639.05 × 5,634.27
  4. Step 4: Simplify right side
    9,883.80x = 76,846,090.24
  5. Step 5: Solve for x
    x = 76,846,090.24/9,883.80
  6. Step 6: Final answer
    x = 7,774.95

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1.5x scale

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.