Home / 5,380.38-8,065.31-2,746.67

Finding the Fourth Proportional to 5,380.38, 8,065.31 and 2,746.67

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Solution

The fourth proportional to 5,380.38, 8,065.31 and 2,746.67 is: 4,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.38 : 8,065.31 = 2,746.67 : x
  2. Step 2: Convert to fraction form
    5,380.38/8,065.31 = 2,746.67/x
  3. Step 3: Cross multiply
    5,380.38x = 8,065.31 × 2,746.67
  4. Step 4: Simplify right side
    5,380.38x = 22,152,690.96
  5. Step 5: Solve for x
    x = 22,152,690.96/5,380.38
  6. Step 6: Final answer
    x = 4,117.31

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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.