Home / 7,090.09-10,635.65-2,408.20

Finding the Fourth Proportional to 7,090.09, 10,635.65 and 2,408.20

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Solution

The fourth proportional to 7,090.09, 10,635.65 and 2,408.20 is: 3,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.09 : 10,635.65 = 2,408.20 : x
  2. Step 2: Convert to fraction form
    7,090.09/10,635.65 = 2,408.20/x
  3. Step 3: Cross multiply
    7,090.09x = 10,635.65 × 2,408.20
  4. Step 4: Simplify right side
    7,090.09x = 25,612,742.73
  5. Step 5: Solve for x
    x = 25,612,742.73/7,090.09
  6. Step 6: Final answer
    x = 3,612.47

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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.