Home / 7,616.36-11,431.56-5,662.64

Finding the Fourth Proportional to 7,616.36, 11,431.56 and 5,662.64

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Solution

The fourth proportional to 7,616.36, 11,431.56 and 5,662.64 is: 8,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.36 : 11,431.56 = 5,662.64 : x
  2. Step 2: Convert to fraction form
    7,616.36/11,431.56 = 5,662.64/x
  3. Step 3: Cross multiply
    7,616.36x = 11,431.56 × 5,662.64
  4. Step 4: Simplify right side
    7,616.36x = 64,732,808.92
  5. Step 5: Solve for x
    x = 64,732,808.92/7,616.36
  6. Step 6: Final answer
    x = 8,499.18

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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.