Home / 7,398.06-11,090.58-3,889.14

Finding the Fourth Proportional to 7,398.06, 11,090.58 and 3,889.14

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Solution

The fourth proportional to 7,398.06, 11,090.58 and 3,889.14 is: 5,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.06 : 11,090.58 = 3,889.14 : x
  2. Step 2: Convert to fraction form
    7,398.06/11,090.58 = 3,889.14/x
  3. Step 3: Cross multiply
    7,398.06x = 11,090.58 × 3,889.14
  4. Step 4: Simplify right side
    7,398.06x = 43,132,818.30
  5. Step 5: Solve for x
    x = 43,132,818.30/7,398.06
  6. Step 6: Final answer
    x = 5,830.29

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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.