Home / 9,005.84-13,489.56-5,108.24

Finding the Fourth Proportional to 9,005.84, 13,489.56 and 5,108.24

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Solution

The fourth proportional to 9,005.84, 13,489.56 and 5,108.24 is: 7,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.84 : 13,489.56 = 5,108.24 : x
  2. Step 2: Convert to fraction form
    9,005.84/13,489.56 = 5,108.24/x
  3. Step 3: Cross multiply
    9,005.84x = 13,489.56 × 5,108.24
  4. Step 4: Simplify right side
    9,005.84x = 68,907,909.97
  5. Step 5: Solve for x
    x = 68,907,909.97/9,005.84
  6. Step 6: Final answer
    x = 7,651.47

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1.5x scale

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.