Home / 8,383.74-11,572.13-5,399.56

Finding the Fourth Proportional to 8,383.74, 11,572.13 and 5,399.56

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Solution

The fourth proportional to 8,383.74, 11,572.13 and 5,399.56 is: 7,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.74 : 11,572.13 = 5,399.56 : x
  2. Step 2: Convert to fraction form
    8,383.74/11,572.13 = 5,399.56/x
  3. Step 3: Cross multiply
    8,383.74x = 11,572.13 × 5,399.56
  4. Step 4: Simplify right side
    8,383.74x = 62,484,438.23
  5. Step 5: Solve for x
    x = 62,484,438.23/8,383.74
  6. Step 6: Final answer
    x = 7,453.05

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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.