Home / 4,289.92-6,429.03-2,416.70

Finding the Fourth Proportional to 4,289.92, 6,429.03 and 2,416.70

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Solution

The fourth proportional to 4,289.92, 6,429.03 and 2,416.70 is: 3,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.92 : 6,429.03 = 2,416.70 : x
  2. Step 2: Convert to fraction form
    4,289.92/6,429.03 = 2,416.70/x
  3. Step 3: Cross multiply
    4,289.92x = 6,429.03 × 2,416.70
  4. Step 4: Simplify right side
    4,289.92x = 15,537,036.80
  5. Step 5: Solve for x
    x = 15,537,036.80/4,289.92
  6. Step 6: Final answer
    x = 3,621.75

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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.