Home / 7,555.90-11,331.96-3,176.50

Finding the Fourth Proportional to 7,555.90, 11,331.96 and 3,176.50

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Solution

The fourth proportional to 7,555.90, 11,331.96 and 3,176.50 is: 4,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.90 : 11,331.96 = 3,176.50 : x
  2. Step 2: Convert to fraction form
    7,555.90/11,331.96 = 3,176.50/x
  3. Step 3: Cross multiply
    7,555.90x = 11,331.96 × 3,176.50
  4. Step 4: Simplify right side
    7,555.90x = 35,995,970.94
  5. Step 5: Solve for x
    x = 35,995,970.94/7,555.90
  6. Step 6: Final answer
    x = 4,763.96

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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.