Home / 8,616.12-11,889.72-4,838.64

Finding the Fourth Proportional to 8,616.12, 11,889.72 and 4,838.64

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Solution

The fourth proportional to 8,616.12, 11,889.72 and 4,838.64 is: 6,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.12 : 11,889.72 = 4,838.64 : x
  2. Step 2: Convert to fraction form
    8,616.12/11,889.72 = 4,838.64/x
  3. Step 3: Cross multiply
    8,616.12x = 11,889.72 × 4,838.64
  4. Step 4: Simplify right side
    8,616.12x = 57,530,074.78
  5. Step 5: Solve for x
    x = 57,530,074.78/8,616.12
  6. Step 6: Final answer
    x = 6,677.03

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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.