Home / 5,509.48-8,263.86-2,387.94

Finding the Fourth Proportional to 5,509.48, 8,263.86 and 2,387.94

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Solution

The fourth proportional to 5,509.48, 8,263.86 and 2,387.94 is: 3,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.48 : 8,263.86 = 2,387.94 : x
  2. Step 2: Convert to fraction form
    5,509.48/8,263.86 = 2,387.94/x
  3. Step 3: Cross multiply
    5,509.48x = 8,263.86 × 2,387.94
  4. Step 4: Simplify right side
    5,509.48x = 19,733,601.85
  5. Step 5: Solve for x
    x = 19,733,601.85/5,509.48
  6. Step 6: Final answer
    x = 3,581.75

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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.