Home / 4,902.29-7,354.68-2,128.29

Finding the Fourth Proportional to 4,902.29, 7,354.68 and 2,128.29

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Solution

The fourth proportional to 4,902.29, 7,354.68 and 2,128.29 is: 3,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.29 : 7,354.68 = 2,128.29 : x
  2. Step 2: Convert to fraction form
    4,902.29/7,354.68 = 2,128.29/x
  3. Step 3: Cross multiply
    4,902.29x = 7,354.68 × 2,128.29
  4. Step 4: Simplify right side
    4,902.29x = 15,652,881.26
  5. Step 5: Solve for x
    x = 15,652,881.26/4,902.29
  6. Step 6: Final answer
    x = 3,192.97

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1.5x scale

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.