Home / 4,289.45-5,916.09-2,872.68

Finding the Fourth Proportional to 4,289.45, 5,916.09 and 2,872.68

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Solution

The fourth proportional to 4,289.45, 5,916.09 and 2,872.68 is: 3,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.45 : 5,916.09 = 2,872.68 : x
  2. Step 2: Convert to fraction form
    4,289.45/5,916.09 = 2,872.68/x
  3. Step 3: Cross multiply
    4,289.45x = 5,916.09 × 2,872.68
  4. Step 4: Simplify right side
    4,289.45x = 16,995,044.19
  5. Step 5: Solve for x
    x = 16,995,044.19/4,289.45
  6. Step 6: Final answer
    x = 3,962.06

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1.5x scale

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.