Home / 4,925.88-7,388.97-1,639.29

Finding the Fourth Proportional to 4,925.88, 7,388.97 and 1,639.29

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Solution

The fourth proportional to 4,925.88, 7,388.97 and 1,639.29 is: 2,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.88 : 7,388.97 = 1,639.29 : x
  2. Step 2: Convert to fraction form
    4,925.88/7,388.97 = 1,639.29/x
  3. Step 3: Cross multiply
    4,925.88x = 7,388.97 × 1,639.29
  4. Step 4: Simplify right side
    4,925.88x = 12,112,664.63
  5. Step 5: Solve for x
    x = 12,112,664.63/4,925.88
  6. Step 6: Final answer
    x = 2,458.98

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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.