Home / 8,330.96-12,486.20-4,429.52

Finding the Fourth Proportional to 8,330.96, 12,486.20 and 4,429.52

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Solution

The fourth proportional to 8,330.96, 12,486.20 and 4,429.52 is: 6,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.96 : 12,486.20 = 4,429.52 : x
  2. Step 2: Convert to fraction form
    8,330.96/12,486.20 = 4,429.52/x
  3. Step 3: Cross multiply
    8,330.96x = 12,486.20 × 4,429.52
  4. Step 4: Simplify right side
    8,330.96x = 55,307,872.62
  5. Step 5: Solve for x
    x = 55,307,872.62/8,330.96
  6. Step 6: Final answer
    x = 6,638.84

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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.