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Finding the Fourth Proportional to 8,510.03, 12,765.05 and 2,667.09

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Solution

The fourth proportional to 8,510.03, 12,765.05 and 2,667.09 is: 4,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.03 : 12,765.05 = 2,667.09 : x
  2. Step 2: Convert to fraction form
    8,510.03/12,765.05 = 2,667.09/x
  3. Step 3: Cross multiply
    8,510.03x = 12,765.05 × 2,667.09
  4. Step 4: Simplify right side
    8,510.03x = 34,045,523.87
  5. Step 5: Solve for x
    x = 34,045,523.87/8,510.03
  6. Step 6: Final answer
    x = 4,000.64

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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.