Home / 7,429.88-10,252.84-4,072.70

Finding the Fourth Proportional to 7,429.88, 10,252.84 and 4,072.70

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Solution

The fourth proportional to 7,429.88, 10,252.84 and 4,072.70 is: 5,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.88 : 10,252.84 = 4,072.70 : x
  2. Step 2: Convert to fraction form
    7,429.88/10,252.84 = 4,072.70/x
  3. Step 3: Cross multiply
    7,429.88x = 10,252.84 × 4,072.70
  4. Step 4: Simplify right side
    7,429.88x = 41,756,741.47
  5. Step 5: Solve for x
    x = 41,756,741.47/7,429.88
  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.