Home / 4,609.64-6,911.40-2,143.10

Finding the Fourth Proportional to 4,609.64, 6,911.40 and 2,143.10

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Solution

The fourth proportional to 4,609.64, 6,911.40 and 2,143.10 is: 3,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.64 : 6,911.40 = 2,143.10 : x
  2. Step 2: Convert to fraction form
    4,609.64/6,911.40 = 2,143.10/x
  3. Step 3: Cross multiply
    4,609.64x = 6,911.40 × 2,143.10
  4. Step 4: Simplify right side
    4,609.64x = 14,811,821.34
  5. Step 5: Solve for x
    x = 14,811,821.34/4,609.64
  6. Step 6: Final answer
    x = 3,213.23

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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.