Home / 5,563.67-8,345.45-1,403.91

Finding the Fourth Proportional to 5,563.67, 8,345.45 and 1,403.91

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Solution

The fourth proportional to 5,563.67, 8,345.45 and 1,403.91 is: 2,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.67 : 8,345.45 = 1,403.91 : x
  2. Step 2: Convert to fraction form
    5,563.67/8,345.45 = 1,403.91/x
  3. Step 3: Cross multiply
    5,563.67x = 8,345.45 × 1,403.91
  4. Step 4: Simplify right side
    5,563.67x = 11,716,253.69
  5. Step 5: Solve for x
    x = 11,716,253.69/5,563.67
  6. Step 6: Final answer
    x = 2,105.85

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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.