Home / 4,288.48-6,429.63-2,898.37

Finding the Fourth Proportional to 4,288.48, 6,429.63 and 2,898.37

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Solution

The fourth proportional to 4,288.48, 6,429.63 and 2,898.37 is: 4,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.48 : 6,429.63 = 2,898.37 : x
  2. Step 2: Convert to fraction form
    4,288.48/6,429.63 = 2,898.37/x
  3. Step 3: Cross multiply
    4,288.48x = 6,429.63 × 2,898.37
  4. Step 4: Simplify right side
    4,288.48x = 18,635,446.70
  5. Step 5: Solve for x
    x = 18,635,446.70/4,288.48
  6. Step 6: Final answer
    x = 4,345.47

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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.