Home / 7,428.38-10,251.29-4,071.52

Finding the Fourth Proportional to 7,428.38, 10,251.29 and 4,071.52

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Solution

The fourth proportional to 7,428.38, 10,251.29 and 4,071.52 is: 5,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.38 : 10,251.29 = 4,071.52 : x
  2. Step 2: Convert to fraction form
    7,428.38/10,251.29 = 4,071.52/x
  3. Step 3: Cross multiply
    7,428.38x = 10,251.29 × 4,071.52
  4. Step 4: Simplify right side
    7,428.38x = 41,738,260.65
  5. Step 5: Solve for x
    x = 41,738,260.65/7,428.38
  6. Step 6: Final answer
    x = 5,618.76

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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.