Home / 8,289.15-12,433.91-2,133.15

Finding the Fourth Proportional to 8,289.15, 12,433.91 and 2,133.15

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Solution

The fourth proportional to 8,289.15, 12,433.91 and 2,133.15 is: 3,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.15 : 12,433.91 = 2,133.15 : x
  2. Step 2: Convert to fraction form
    8,289.15/12,433.91 = 2,133.15/x
  3. Step 3: Cross multiply
    8,289.15x = 12,433.91 × 2,133.15
  4. Step 4: Simplify right side
    8,289.15x = 26,523,384.45
  5. Step 5: Solve for x
    x = 26,523,384.45/8,289.15
  6. Step 6: Final answer
    x = 3,199.77

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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.