Home / 5,092.88-7,637.64-1,629.28

Finding the Fourth Proportional to 5,092.88, 7,637.64 and 1,629.28

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Solution

The fourth proportional to 5,092.88, 7,637.64 and 1,629.28 is: 2,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.88 : 7,637.64 = 1,629.28 : x
  2. Step 2: Convert to fraction form
    5,092.88/7,637.64 = 1,629.28/x
  3. Step 3: Cross multiply
    5,092.88x = 7,637.64 × 1,629.28
  4. Step 4: Simplify right side
    5,092.88x = 12,443,854.10
  5. Step 5: Solve for x
    x = 12,443,854.10/5,092.88
  6. Step 6: Final answer
    x = 2,443.38

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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.