Home / 8,771.64-12,097.96-5,628.12

Finding the Fourth Proportional to 8,771.64, 12,097.96 and 5,628.12

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Solution

The fourth proportional to 8,771.64, 12,097.96 and 5,628.12 is: 7,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.64 : 12,097.96 = 5,628.12 : x
  2. Step 2: Convert to fraction form
    8,771.64/12,097.96 = 5,628.12/x
  3. Step 3: Cross multiply
    8,771.64x = 12,097.96 × 5,628.12
  4. Step 4: Simplify right side
    8,771.64x = 68,088,770.64
  5. Step 5: Solve for x
    x = 68,088,770.64/8,771.64
  6. Step 6: Final answer
    x = 7,762.38

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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.