Home / 5,278.05-7,284.06-3,508.47

Finding the Fourth Proportional to 5,278.05, 7,284.06 and 3,508.47

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Solution

The fourth proportional to 5,278.05, 7,284.06 and 3,508.47 is: 4,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.05 : 7,284.06 = 3,508.47 : x
  2. Step 2: Convert to fraction form
    5,278.05/7,284.06 = 3,508.47/x
  3. Step 3: Cross multiply
    5,278.05x = 7,284.06 × 3,508.47
  4. Step 4: Simplify right side
    5,278.05x = 25,555,905.99
  5. Step 5: Solve for x
    x = 25,555,905.99/5,278.05
  6. Step 6: Final answer
    x = 4,841.92

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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.