Home / 7,428.27-10,250.99-4,071.23

Finding the Fourth Proportional to 7,428.27, 10,250.99 and 4,071.23

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Solution

The fourth proportional to 7,428.27, 10,250.99 and 4,071.23 is: 5,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.27 : 10,250.99 = 4,071.23 : x
  2. Step 2: Convert to fraction form
    7,428.27/10,250.99 = 4,071.23/x
  3. Step 3: Cross multiply
    7,428.27x = 10,250.99 × 4,071.23
  4. Step 4: Simplify right side
    7,428.27x = 41,734,120.11
  5. Step 5: Solve for x
    x = 41,734,120.11/7,428.27
  6. Step 6: Final answer
    x = 5,618.28

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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.