Home / 7,090.29-10,635.44-2,159.82

Finding the Fourth Proportional to 7,090.29, 10,635.44 and 2,159.82

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Solution

The fourth proportional to 7,090.29, 10,635.44 and 2,159.82 is: 3,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.29 : 10,635.44 = 2,159.82 : x
  2. Step 2: Convert to fraction form
    7,090.29/10,635.44 = 2,159.82/x
  3. Step 3: Cross multiply
    7,090.29x = 10,635.44 × 2,159.82
  4. Step 4: Simplify right side
    7,090.29x = 22,970,625.22
  5. Step 5: Solve for x
    x = 22,970,625.22/7,090.29
  6. Step 6: Final answer
    x = 3,239.73

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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.