Home / 5,289.96-7,935.46-1,826.76

Finding the Fourth Proportional to 5,289.96, 7,935.46 and 1,826.76

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Solution

The fourth proportional to 5,289.96, 7,935.46 and 1,826.76 is: 2,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.96 : 7,935.46 = 1,826.76 : x
  2. Step 2: Convert to fraction form
    5,289.96/7,935.46 = 1,826.76/x
  3. Step 3: Cross multiply
    5,289.96x = 7,935.46 × 1,826.76
  4. Step 4: Simplify right side
    5,289.96x = 14,496,180.91
  5. Step 5: Solve for x
    x = 14,496,180.91/5,289.96
  6. Step 6: Final answer
    x = 2,740.32

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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.