Home / 8,930.31-13,389.39-4,539.30

Finding the Fourth Proportional to 8,930.31, 13,389.39 and 4,539.30

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Solution

The fourth proportional to 8,930.31, 13,389.39 and 4,539.30 is: 6,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.31 : 13,389.39 = 4,539.30 : x
  2. Step 2: Convert to fraction form
    8,930.31/13,389.39 = 4,539.30/x
  3. Step 3: Cross multiply
    8,930.31x = 13,389.39 × 4,539.30
  4. Step 4: Simplify right side
    8,930.31x = 60,778,458.03
  5. Step 5: Solve for x
    x = 60,778,458.03/8,930.31
  6. Step 6: Final answer
    x = 6,805.86

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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.