Home / 9,231.23-12,740.01-5,455.64

Finding the Fourth Proportional to 9,231.23, 12,740.01 and 5,455.64

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Solution

The fourth proportional to 9,231.23, 12,740.01 and 5,455.64 is: 7,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.23 : 12,740.01 = 5,455.64 : x
  2. Step 2: Convert to fraction form
    9,231.23/12,740.01 = 5,455.64/x
  3. Step 3: Cross multiply
    9,231.23x = 12,740.01 × 5,455.64
  4. Step 4: Simplify right side
    9,231.23x = 69,504,908.16
  5. Step 5: Solve for x
    x = 69,504,908.16/9,231.23
  6. Step 6: Final answer
    x = 7,529.32

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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.