Home / 4,688.36-6,470.58-2,825

Finding the Fourth Proportional to 4,688.36, 6,470.58 and 2,825

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Solution

The fourth proportional to 4,688.36, 6,470.58 and 2,825 is: 3,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.36 : 6,470.58 = 2,825 : x
  2. Step 2: Convert to fraction form
    4,688.36/6,470.58 = 2,825/x
  3. Step 3: Cross multiply
    4,688.36x = 6,470.58 × 2,825
  4. Step 4: Simplify right side
    4,688.36x = 18,279,388.50
  5. Step 5: Solve for x
    x = 18,279,388.50/4,688.36
  6. Step 6: Final answer
    x = 3,898.89

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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.