Home / 7,428.51-10,251.27-4,071.29

Finding the Fourth Proportional to 7,428.51, 10,251.27 and 4,071.29

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Solution

The fourth proportional to 7,428.51, 10,251.27 and 4,071.29 is: 5,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.51 : 10,251.27 = 4,071.29 : x
  2. Step 2: Convert to fraction form
    7,428.51/10,251.27 = 4,071.29/x
  3. Step 3: Cross multiply
    7,428.51x = 10,251.27 × 4,071.29
  4. Step 4: Simplify right side
    7,428.51x = 41,735,841.78
  5. Step 5: Solve for x
    x = 41,735,841.78/7,428.51
  6. Step 6: Final answer
    x = 5,618.33

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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.