Home / 4,005.81-5,527.38-2,412.33

Finding the Fourth Proportional to 4,005.81, 5,527.38 and 2,412.33

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Solution

The fourth proportional to 4,005.81, 5,527.38 and 2,412.33 is: 3,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.81 : 5,527.38 = 2,412.33 : x
  2. Step 2: Convert to fraction form
    4,005.81/5,527.38 = 2,412.33/x
  3. Step 3: Cross multiply
    4,005.81x = 5,527.38 × 2,412.33
  4. Step 4: Simplify right side
    4,005.81x = 13,333,864.60
  5. Step 5: Solve for x
    x = 13,333,864.60/4,005.81
  6. Step 6: Final answer
    x = 3,328.63

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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.