Home / 4,512.08-6,768.12-2,972.72

Finding the Fourth Proportional to 4,512.08, 6,768.12 and 2,972.72

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Solution

The fourth proportional to 4,512.08, 6,768.12 and 2,972.72 is: 4,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.08 : 6,768.12 = 2,972.72 : x
  2. Step 2: Convert to fraction form
    4,512.08/6,768.12 = 2,972.72/x
  3. Step 3: Cross multiply
    4,512.08x = 6,768.12 × 2,972.72
  4. Step 4: Simplify right side
    4,512.08x = 20,119,725.69
  5. Step 5: Solve for x
    x = 20,119,725.69/4,512.08
  6. Step 6: Final answer
    x = 4,459.08

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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.