Home / 5,290.76-7,297.62-3,891.08

Finding the Fourth Proportional to 5,290.76, 7,297.62 and 3,891.08

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Solution

The fourth proportional to 5,290.76, 7,297.62 and 3,891.08 is: 5,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.76 : 7,297.62 = 3,891.08 : x
  2. Step 2: Convert to fraction form
    5,290.76/7,297.62 = 3,891.08/x
  3. Step 3: Cross multiply
    5,290.76x = 7,297.62 × 3,891.08
  4. Step 4: Simplify right side
    5,290.76x = 28,395,623.23
  5. Step 5: Solve for x
    x = 28,395,623.23/5,290.76
  6. Step 6: Final answer
    x = 5,367.02

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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.