Home / 9,161.28-12,634.65-5,800.32

Finding the Fourth Proportional to 9,161.28, 12,634.65 and 5,800.32

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Solution

The fourth proportional to 9,161.28, 12,634.65 and 5,800.32 is: 7,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.28 : 12,634.65 = 5,800.32 : x
  2. Step 2: Convert to fraction form
    9,161.28/12,634.65 = 5,800.32/x
  3. Step 3: Cross multiply
    9,161.28x = 12,634.65 × 5,800.32
  4. Step 4: Simplify right side
    9,161.28x = 73,285,013.09
  5. Step 5: Solve for x
    x = 73,285,013.09/9,161.28
  6. Step 6: Final answer
    x = 7,999.43

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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.