Home / 7,428.26-10,251.09-4,071.39

Finding the Fourth Proportional to 7,428.26, 10,251.09 and 4,071.39

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Solution

The fourth proportional to 7,428.26, 10,251.09 and 4,071.39 is: 5,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.26 : 10,251.09 = 4,071.39 : x
  2. Step 2: Convert to fraction form
    7,428.26/10,251.09 = 4,071.39/x
  3. Step 3: Cross multiply
    7,428.26x = 10,251.09 × 4,071.39
  4. Step 4: Simplify right side
    7,428.26x = 41,736,185.32
  5. Step 5: Solve for x
    x = 41,736,185.32/7,428.26
  6. Step 6: Final answer
    x = 5,618.57

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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.