Home / 7,429.60-10,252.82-4,072.55

Finding the Fourth Proportional to 7,429.60, 10,252.82 and 4,072.55

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Solution

The fourth proportional to 7,429.60, 10,252.82 and 4,072.55 is: 5,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.60 : 10,252.82 = 4,072.55 : x
  2. Step 2: Convert to fraction form
    7,429.60/10,252.82 = 4,072.55/x
  3. Step 3: Cross multiply
    7,429.60x = 10,252.82 × 4,072.55
  4. Step 4: Simplify right side
    7,429.60x = 41,755,157.90
  5. Step 5: Solve for x
    x = 41,755,157.90/7,429.60
  6. Step 6: Final answer
    x = 5,620.11

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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.