Home / 8,330.33-12,495.18-2,090.39

Finding the Fourth Proportional to 8,330.33, 12,495.18 and 2,090.39

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Solution

The fourth proportional to 8,330.33, 12,495.18 and 2,090.39 is: 3,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.33 : 12,495.18 = 2,090.39 : x
  2. Step 2: Convert to fraction form
    8,330.33/12,495.18 = 2,090.39/x
  3. Step 3: Cross multiply
    8,330.33x = 12,495.18 × 2,090.39
  4. Step 4: Simplify right side
    8,330.33x = 26,119,736.84
  5. Step 5: Solve for x
    x = 26,119,736.84/8,330.33
  6. Step 6: Final answer
    x = 3,135.50

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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.