Home / 5,527.31-8,289.71-1,578.49

Finding the Fourth Proportional to 5,527.31, 8,289.71 and 1,578.49

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Solution

The fourth proportional to 5,527.31, 8,289.71 and 1,578.49 is: 2,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.31 : 8,289.71 = 1,578.49 : x
  2. Step 2: Convert to fraction form
    5,527.31/8,289.71 = 1,578.49/x
  3. Step 3: Cross multiply
    5,527.31x = 8,289.71 × 1,578.49
  4. Step 4: Simplify right side
    5,527.31x = 13,085,201.64
  5. Step 5: Solve for x
    x = 13,085,201.64/5,527.31
  6. Step 6: Final answer
    x = 2,367.37

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Double scale
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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.