Home / 7,637.08-11,455.62-2,090.20

Finding the Fourth Proportional to 7,637.08, 11,455.62 and 2,090.20

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Solution

The fourth proportional to 7,637.08, 11,455.62 and 2,090.20 is: 3,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.08 : 11,455.62 = 2,090.20 : x
  2. Step 2: Convert to fraction form
    7,637.08/11,455.62 = 2,090.20/x
  3. Step 3: Cross multiply
    7,637.08x = 11,455.62 × 2,090.20
  4. Step 4: Simplify right side
    7,637.08x = 23,944,536.92
  5. Step 5: Solve for x
    x = 23,944,536.92/7,637.08
  6. Step 6: Final answer
    x = 3,135.30

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Similar ratio
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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.