Home / 7,498.29-11,250.27-3,115.38

Finding the Fourth Proportional to 7,498.29, 11,250.27 and 3,115.38

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Solution

The fourth proportional to 7,498.29, 11,250.27 and 3,115.38 is: 4,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.29 : 11,250.27 = 3,115.38 : x
  2. Step 2: Convert to fraction form
    7,498.29/11,250.27 = 3,115.38/x
  3. Step 3: Cross multiply
    7,498.29x = 11,250.27 × 3,115.38
  4. Step 4: Simplify right side
    7,498.29x = 35,048,866.15
  5. Step 5: Solve for x
    x = 35,048,866.15/7,498.29
  6. Step 6: Final answer
    x = 4,674.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.