Home / 7,388.21-11,082.32-3,493.01

Finding the Fourth Proportional to 7,388.21, 11,082.32 and 3,493.01

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Solution

The fourth proportional to 7,388.21, 11,082.32 and 3,493.01 is: 5,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.21 : 11,082.32 = 3,493.01 : x
  2. Step 2: Convert to fraction form
    7,388.21/11,082.32 = 3,493.01/x
  3. Step 3: Cross multiply
    7,388.21x = 11,082.32 × 3,493.01
  4. Step 4: Simplify right side
    7,388.21x = 38,710,637.12
  5. Step 5: Solve for x
    x = 38,710,637.12/7,388.21
  6. Step 6: Final answer
    x = 5,239.52

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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.