Home / 8,330.67-12,495.96-3,132.90

Finding the Fourth Proportional to 8,330.67, 12,495.96 and 3,132.90

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Solution

The fourth proportional to 8,330.67, 12,495.96 and 3,132.90 is: 4,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.67 : 12,495.96 = 3,132.90 : x
  2. Step 2: Convert to fraction form
    8,330.67/12,495.96 = 3,132.90/x
  3. Step 3: Cross multiply
    8,330.67x = 12,495.96 × 3,132.90
  4. Step 4: Simplify right side
    8,330.67x = 39,148,593.08
  5. Step 5: Solve for x
    x = 39,148,593.08/8,330.67
  6. Step 6: Final answer
    x = 4,699.33

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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.