Home / 8,383.56-11,574.37-5,553.35

Finding the Fourth Proportional to 8,383.56, 11,574.37 and 5,553.35

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Solution

The fourth proportional to 8,383.56, 11,574.37 and 5,553.35 is: 7,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.56 : 11,574.37 = 5,553.35 : x
  2. Step 2: Convert to fraction form
    8,383.56/11,574.37 = 5,553.35/x
  3. Step 3: Cross multiply
    8,383.56x = 11,574.37 × 5,553.35
  4. Step 4: Simplify right side
    8,383.56x = 64,276,527.64
  5. Step 5: Solve for x
    x = 64,276,527.64/8,383.56
  6. Step 6: Final answer
    x = 7,666.97

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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.