Home / 7,090.29-9,782.37-4,105.35

Finding the Fourth Proportional to 7,090.29, 9,782.37 and 4,105.35

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Solution

The fourth proportional to 7,090.29, 9,782.37 and 4,105.35 is: 5,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.29 : 9,782.37 = 4,105.35 : x
  2. Step 2: Convert to fraction form
    7,090.29/9,782.37 = 4,105.35/x
  3. Step 3: Cross multiply
    7,090.29x = 9,782.37 × 4,105.35
  4. Step 4: Simplify right side
    7,090.29x = 40,160,052.68
  5. Step 5: Solve for x
    x = 40,160,052.68/7,090.29
  6. Step 6: Final answer
    x = 5,664.09

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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.