Home / 8,586.95-12,880.82-2,667.87

Finding the Fourth Proportional to 8,586.95, 12,880.82 and 2,667.87

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Solution

The fourth proportional to 8,586.95, 12,880.82 and 2,667.87 is: 4,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.95 : 12,880.82 = 2,667.87 : x
  2. Step 2: Convert to fraction form
    8,586.95/12,880.82 = 2,667.87/x
  3. Step 3: Cross multiply
    8,586.95x = 12,880.82 × 2,667.87
  4. Step 4: Simplify right side
    8,586.95x = 34,364,359.92
  5. Step 5: Solve for x
    x = 34,364,359.92/8,586.95
  6. Step 6: Final answer
    x = 4,001.93

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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.