Home / 5,527.40-8,288.90-1,828.60

Finding the Fourth Proportional to 5,527.40, 8,288.90 and 1,828.60

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Solution

The fourth proportional to 5,527.40, 8,288.90 and 1,828.60 is: 2,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.40 : 8,288.90 = 1,828.60 : x
  2. Step 2: Convert to fraction form
    5,527.40/8,288.90 = 1,828.60/x
  3. Step 3: Cross multiply
    5,527.40x = 8,288.90 × 1,828.60
  4. Step 4: Simplify right side
    5,527.40x = 15,157,082.54
  5. Step 5: Solve for x
    x = 15,157,082.54/5,527.40
  6. Step 6: Final answer
    x = 2,742.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.