Home / 5,376.96-7,420.14-3,019.50

Finding the Fourth Proportional to 5,376.96, 7,420.14 and 3,019.50

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Solution

The fourth proportional to 5,376.96, 7,420.14 and 3,019.50 is: 4,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.96 : 7,420.14 = 3,019.50 : x
  2. Step 2: Convert to fraction form
    5,376.96/7,420.14 = 3,019.50/x
  3. Step 3: Cross multiply
    5,376.96x = 7,420.14 × 3,019.50
  4. Step 4: Simplify right side
    5,376.96x = 22,405,112.73
  5. Step 5: Solve for x
    x = 22,405,112.73/5,376.96
  6. Step 6: Final answer
    x = 4,166.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.