Home / 8,132.96-12,199.45-2,289.57

Finding the Fourth Proportional to 8,132.96, 12,199.45 and 2,289.57

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Solution

The fourth proportional to 8,132.96, 12,199.45 and 2,289.57 is: 3,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.96 : 12,199.45 = 2,289.57 : x
  2. Step 2: Convert to fraction form
    8,132.96/12,199.45 = 2,289.57/x
  3. Step 3: Cross multiply
    8,132.96x = 12,199.45 × 2,289.57
  4. Step 4: Simplify right side
    8,132.96x = 27,931,483.29
  5. Step 5: Solve for x
    x = 27,931,483.29/8,132.96
  6. Step 6: Final answer
    x = 3,434.36

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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.