Home / 5,528.71-8,289.89-1,829.96

Finding the Fourth Proportional to 5,528.71, 8,289.89 and 1,829.96

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Solution

The fourth proportional to 5,528.71, 8,289.89 and 1,829.96 is: 2,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.71 : 8,289.89 = 1,829.96 : x
  2. Step 2: Convert to fraction form
    5,528.71/8,289.89 = 1,829.96/x
  3. Step 3: Cross multiply
    5,528.71x = 8,289.89 × 1,829.96
  4. Step 4: Simplify right side
    5,528.71x = 15,170,167.10
  5. Step 5: Solve for x
    x = 15,170,167.10/5,528.71
  6. Step 6: Final answer
    x = 2,743.89

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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.