Home / 8,153.28-12,228.84-2,310.30

Finding the Fourth Proportional to 8,153.28, 12,228.84 and 2,310.30

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Solution

The fourth proportional to 8,153.28, 12,228.84 and 2,310.30 is: 3,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.28 : 12,228.84 = 2,310.30 : x
  2. Step 2: Convert to fraction form
    8,153.28/12,228.84 = 2,310.30/x
  3. Step 3: Cross multiply
    8,153.28x = 12,228.84 × 2,310.30
  4. Step 4: Simplify right side
    8,153.28x = 28,252,289.05
  5. Step 5: Solve for x
    x = 28,252,289.05/8,153.28
  6. Step 6: Final answer
    x = 3,465.14

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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.