Home / 5,412.31-7,463.81-3,288.19

Finding the Fourth Proportional to 5,412.31, 7,463.81 and 3,288.19

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Solution

The fourth proportional to 5,412.31, 7,463.81 and 3,288.19 is: 4,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.31 : 7,463.81 = 3,288.19 : x
  2. Step 2: Convert to fraction form
    5,412.31/7,463.81 = 3,288.19/x
  3. Step 3: Cross multiply
    5,412.31x = 7,463.81 × 3,288.19
  4. Step 4: Simplify right side
    5,412.31x = 24,542,371.64
  5. Step 5: Solve for x
    x = 24,542,371.64/5,412.31
  6. Step 6: Final answer
    x = 4,534.55

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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.